GM Service Manual Online
For 1990-2009 cars only

Messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed by the driver to correct the condition. Multiple messages may appear one after another.

Some messages may not require immediate action, but you can press any of the DIC buttons on the instrument panel to acknowledge that you received the messages and to clear them from the display.

Some messages cannot be cleared from the DIC display because they are more urgent. These messages require action before they can be cleared. You should take any messages that appear on the display seriously and remember that clearing the messages will only make the messages disappear, not correct the problem.

The following are the possible messages that can be displayed and some information about them.

Accessory Mode Active

If your vehicle has the keyless access system, this message displays when the accessory mode is active. See Ignition Positions for more information.

AFL (Adaptive Forward Lighting) Lamps Need Service

This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer/retailer. See Adaptive Forward Lighting System for more information.

All Wheel Drive Off

If your vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a temporary condition making the AWD system unavailable. Your vehicle will run in 2WD. This could be caused by:

    • Loss of wheel or vehicle speed
    • AWD system overheat
    • Certain vehicle electrical conditions

This message turns off when the above conditions are no longer present and by resetting the warning message.

To reset the warning message, turn the ignition off and then back on again after 30 seconds. If the message stays on, see your dealer/retailer right away. See All-Wheel Drive (AWD) System for more information.

Automatic Light Control Off

This message displays when the automatic headlamps are turned off.

Automatic Light Control On

This message displays when the automatic headlamps are turned on.

Battery Saver Active

This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the vehicle that you may be able to notice. At the point that the features are disabled, this message is displayed. It means that the vehicle is trying to save the charge in the battery.

Turn off all unnecessary accessories to allow the battery to recharge.

The normal battery voltage range is 11.5 to 15.5 volts. You can monitor battery voltage on the DIC by pressing the vehicle information button until Battery Voltage is displayed.

Battery Volts Low

This message displays when the electrical system is charging less than 10 volts or the battery has been drained.

If this message appears immediately after starting the engine, it is possible that the generator can still recharge the battery. The battery should recharge while driving, but may take a few hours to do so. Consider using an auxiliary charger to boost the battery after returning home or to a final destination. Make sure you follow the manufacturer's instructions.

If this message appears while driving or after starting your vehicle and stays on, have it checked immediately to determine the cause of this problem.

To help the generator recharge the battery quickly, you can reduce the load on the electrical system by turning off the accessories.

The normal battery voltage range is 11.5 to 15.5 volts. You can monitor battery voltage on the DIC by pressing the vehicle information button until Battery Voltage is displayed.

Calibrating Drive In Circles

This message displays when calibrating the compass. Drive the vehicle in circles at less than 5 mph (8 km/h) to complete the calibration. See DIC Compass for more information.

Calibration Complete

This message displays when the compass calibration is complete. See DIC Compass for more information.

Change Engine Oil Soon

When this message displays, it means that service is required for your vehicle. See your dealer/retailer. See Engine Oil and Scheduled Maintenance for more information.

When you reset the Change Engine Oil Soon message by clearing it from the display, you still must reset the engine oil life system separately. For more information on resetting the engine oil life system, see Engine Oil Life System .

Check Tire Pressure

This message displays when the pressure in one or more of the vehicle's tires needs to be checked. This message also displays Left Front, Right Front, Left Rear, or Right Rear to indicate which tire needs to be checked. You can receive more than one tire pressure message at a time. To read the other messages that may have been sent at the same time, press the set/reset button. If a tire pressure message appears on the DIC, stop as soon as you can. Have the tire pressures checked and set to those shown on the Tire Loading Information label. See Tires , Loading the Vehicle , and Inflation - Tire Pressure . The DIC display also shows the tire pressure values. See DIC Operation and Displays . If the tire pressure is low, the low tire pressure warning light comes on. See Tire Pressure Light .

Cruise Set To XXX MPH (km/h)

This message displays whenever the cruise control is set. See Cruise Control for more information.

Driver Door Open

This message displays when the driver door is not closed completely. Make sure that the door is closed completely.

Electronic Key Already Known

If your vehicle has the keyless access system, this message displays if you try to match a transmitter that has already been learned. See Keyless Access System Operation for more information.

Electronic Key Not Detected

If your vehicle has the keyless access system, this message displays if the vehicle does not detect the presence of a transmitter when you have attempted to start the vehicle or a vehicle door has just closed. The following conditions may cause this message to appear:

    • Driver-added equipment plugged into the accessory power outlet on the center console is causing interference. Examples of these devices are cell phones and cell phone chargers, two-way radios, power inverters, or similar items. Try moving the keyless access transmitter away from these devices when starting the vehicle. In addition, PDA devices and remote garage and gate openers may also generate Electromagnetic Interference (EMI) that may interfere with the keyless access transmitter. Do not carry the keyless access transmitter in the same pocket or bag as these devices.
    • The vehicle is experiencing Electromagnetic Interference (EMI). Some locations, such as airports, automatic toll booths, and some gas stations have EMI fields which may interfere with the keyless access transmitter.

Object Number: 1866690  Size: A3

If moving the transmitter to different locations within the vehicle does not help, place the transmitter in the center console transmitter pocket with the buttons facing the front of the vehicle and then press the START button.

    • The vehicle's battery voltage is low. The battery voltage must be above 10 volts for the keyless access transmitter to be detected properly.

Electronic Key Not Detected Restart Allowed

If your vehicle has the keyless access system, this message displays when the keyless access transmitter is not detected inside the vehicle while you are trying to turn the ignition off. Your vehicle may be near a strong radio antenna signal causing the keyless access system to be jammed. The vehicle will remain in ACC/ACCESSORY until the vehicle is turned off or is started, or five minutes has expired. If you turn the ignition off and you cannot find the keyless access transmitter, you will not be able to restart the vehicle. The keyless access transmitter needs to be inside of the vehicle in order for the vehicle to start. See Starting the Engine for more information.

Engine Hot A/C (Air Conditioning) Off

This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gage . To avoid added strain on a hot engine, the air conditioning compressor automatically turns off. When the coolant temperature returns to normal, the air conditioning compressor turns back on. You can continue to drive your vehicle.

If this message continues to appear, have the system repaired by your dealer/retailer as soon as possible to avoid damage to the engine.

Engine Oil Low Add Oil

If your vehicle has an oil level sensor, this message displays if the oil level in the vehicle is low. Check the oil level and correct it as necessary. You may need to let the vehicle cool or warm up and cycle the ignition to be sure this message clears.

This message clears itself after 10 seconds, until the next ignition cycle. See Engine Oil for additional information.

Engine Overheated Idle Engine

Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. Do not increase the engine speed above normal idling speed. See Engine Overheating for more information.

This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. See Engine Coolant Temperature Warning Light .

See Overheated Engine Protection Operating Mode for information on driving to a safe place in an emergency.

Engine Power Is Reduced

This message displays when the engine power is being reduced to protect the engine from damage. There could be several malfunctions that might cause this message. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your dealer/retailer for service as soon as possible.

Fuel Level Low

This message displays when your vehicle is low on fuel. Refill the fuel tank as soon as possible. A chime may sound when this message displays. See Filling the Tank .

Heated Washer Fluid Wash (Washer) Wipes Pending

If your vehicle has this feature, this message displays when you turn on the heated windshield washer fluid system. See "Heated Windshield Washer" under Windshield Washer for more information.

Heated Washer Fluid System Off

If your vehicle has this feature, this message displays when you manually turn off the heated windshield washer fluid system or when the system automatically turns off. See "Heated Windshield Washer" under Windshield Washer for more information. This message clears itself after 10 seconds.

Hood Open

This message displays when the hood is not closed completely. Make sure that the hood is closed completely.

Ice Possible Drive With Care

This message displays when the outside temperature is cold enough to create icy road conditions. Adjust your driving accordingly.

Learn Delay Active Wait XX Min (Minutes)

If your vehicle has the keyless access system, this message displays when matching new transmitters to the vehicle. See Keyless Access System Operation for more information.

Left Rear Door Open

This message displays when the driver side rear door is not closed completely. Make sure that the door is closed completely.

Maximum # Electronic Keys Learned

If your vehicle has the keyless access system, this message displays when the maximum number of transmitters have been learned. See Keyless Access System Operation for more information.

Oil Pressure Low Stop Engine

Notice: If you drive your vehicle while the engine oil pressure is low, severe engine damage may occur. If a low oil pressure warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. Do not drive the vehicle until the cause of the low oil pressure is corrected. See Engine Oil for more information.

This message displays when the vehicle's engine oil pressure is low. The oil pressure light may also appear on the instrument panel cluster. See Oil Pressure Light . See Engine Oil for more information.

Stop the vehicle immediately, as engine damage can result from driving a vehicle with low oil pressure. Have the vehicle serviced by your dealer/retailer as soon as possible when this message is displayed.

Parking Assist Off

If your vehicle has the Ultrasonic Rear Parking Assist (URPA) system, after the vehicle has been started, this message displays to remind the driver that the URPA system has been turned off. Press the set/reset button to acknowledge this message and clear it from the DIC display. To turn the URPA system back on, see "Parking Assist" under DIC Operation and Displays . See Ultrasonic Rear Parking Assist (URPA) for more information.

Passenger Door Open

This message displays when the passenger side front door is not closed completely. Make sure that the door is closed completely.

Press Brake To Start Engine (Automatic Transmission Only)

If your vehicle has the keyless access system, this message displays if you try to start the engine without having the brake pressed. The brake needs to be pressed when starting the engine. See Ignition Positions for more information.

Press Start Control To Learn Keys

If your vehicle has the keyless access system, this message displays when matching new transmitters to the vehicle. See Keyless Access System Operation for more information.

Rainsense Wipers Active

If your vehicle has this feature, this message displays while the Rainsense™ wipers are active. See Rainsense™ Wipers for more information.

Ready To Learn Electronic Key # X

If your vehicle has the keyless access system, this message displays while matching new transmitters to the vehicle. See Keyless Access System Operation for more information.

Remote Key Learning Active

If your vehicle has the Remote Keyless Entry (RKE) system, this message displays while matching new transmitters to the vehicle. See "Matching Transmitter(s) to Your Vehicle" under Remote Keyless Entry (RKE) System Operation and DIC Operation and Displays for more information.

Replace Battery In Remote Key

This message displays when the battery in the Remote Keyless Entry (RKE) or keyless access transmitter needs to be replaced. To replace the battery, see "Battery Replacement" under Remote Keyless Entry (RKE) System Operation or Keyless Access System Operation .

Right Rear Door Open

This message displays when the passenger side rear door is not closed completely. Make sure that the door is closed completely.

Rotate Control To Off Position

If your vehicle has the keyless access system, this message displays when the ignition is in ACC/ACCESSORY and the shift lever has just been moved to PARK (P). The message displays as a reminder to turn the ignition off. To avoid draining the battery, make sure the ignition is turned off before leaving the vehicle.

Service Air Bag

This message displays when there is a problem with the airbag system. Have your vehicle serviced by your dealer/retailer immediately. See Airbag Readiness Light for more information.

Service A/C System

This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced by your dealer/retailer if you notice a drop in heating and air conditioning efficiency.

Service All Wheel Drive

This message displays if a problem occurs with the All-Wheel Drive (AWD) system. Your vehicle will run in 2WD. This could be caused by:

    • An electronics problem
    • An AWD system oil overheat
    • Worn out or overheated clutch plates
    • Various electrical issues

If this message appears, stop as soon as possible and turn off the ignition for 30 seconds. Restart the vehicle and check for the message on the DIC display. If the message is still displayed or appears again when you begin driving, the system needs service. See your dealer/retailer right away.

Service Battery Charging System

This message displays when there is a problem with the generator and battery charging systems. Driving with this problem could drain the battery. Turn off all unnecessary accessories. Stop and turn off the vehicle as soon as it is safe to do so. Have the electrical system checked by your dealer/retailer. Under certain conditions, the charging system light may also turn on in the instrument panel cluster. See Charging System Light for more information.

Service Brake Assist

This message displays if there is a problem with the brake system. The brake system warning light and the antilock brake system (ABS) warning light may also display on the instrument panel cluster. See Brake System Warning Light and Antilock Brake System (ABS) Warning Light for more information. If this happens, stop as soon as possible and turn off the vehicle. Restart the vehicle and check for the message on the DIC display. If the message displays or appears again when you begin driving, the brake system needs service. See your dealer/retailer as soon as possible. See Brakes for more information.

Service Brake System

This message displays, while the ignition is on, when the brake fluid level is low. The brake system warning light on the instrument panel cluster also comes on. See Brake System Warning Light for more information. Have the brake system serviced by your dealer/retailer as soon as possible.

Service Keyless Start System

If your vehicle has the keyless access system, this message displays when there is a problem with this feature. See your dealer/retailer.

Service Parking Assist

If your vehicle has the Ultrasonic Rear Parking Assist (URPA) system, this message displays if there is a problem with the URPA system. Do not use this system to help you park. See Ultrasonic Rear Parking Assist (URPA) for more information. See your dealer/retailer for service.

Service Power Steering

Your vehicle may have a speed variable assist steering system. See Steering .

This message displays if a problem is detected with the speed variable assist steering system. When this message is displayed, you may notice that the effort required to steer the vehicle increases or feels heavier, but you will still be able to steer the vehicle.

Service Stabilitrak

This message displays if there has been a problem detected with the StabiliTrak® system. The TCS/StabiliTrak warning light on the instrument panel cluster also comes on.

If this message comes on while you are driving, pull off the road as soon as possible and stop carefully. Try resetting the system by turning the ignition off then back on. If this message still stays on or comes back on again while you are driving, your vehicle needs service. Have the StabiliTrak system inspected by your dealer/retailer as soon as possible. See StabiliTrak® System for more information.

Service Theft Deterrent System

This message displays when there is a problem with the theft-deterrent system programmed in the key. A fault has been detected in the system which means that the system is disabled and it is not protecting the vehicle. The vehicle usually restarts; however, you may want to take the vehicle to your dealer/retailer before turning off the engine. See Immobilizer Operation for more information.

Service Tire Monitor System

This message displays if a part on the Tire Pressure Monitor System (TPMS) is not working properly. The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light . Several conditions may cause this message to appear. See Tire Pressure Monitor Operation for more information. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer/retailer.

Service Traction Control

This message displays when there is a problem with the Traction Control System (TCS). The TCS/StabiliTrak warning light on the instrument panel cluster also comes on. When this message displays, the system will not limit wheel spin. Adjust your driving accordingly. See your dealer/retailer for service. See Traction Control System (TCS) for more information.

Service Transmission

This message displays when there is a problem with the vehicle's transmission. Have your vehicle serviced by your dealer/retailer.

Service Vehicle Soon

This message displays when a non-emissions related malfunction occurs. Have your vehicle serviced by your dealer/retailer as soon as possible.

Shift To Park (Automatic Transmission Only)

If your vehicle has the keyless access system, this message displays if the vehicle is not in PARK (P) while the engine is being turned off. The vehicle will be in ACC/ACCESSORY. Once the shift lever is moved to PARK (P), the ignition needs to be turned off. If the ignition is not turned off, the vehicle will remain in ACC/ACCESSORY. To avoid draining the battery, make sure the ignition is turned off before leaving the vehicle.

Speed Limited To XXX MPH (km/h)

This message displays when your vehicle speed is limited to 80 mph (128 km/h) because the vehicle detects a problem in the speed variable assist steering, magnetic ride control, or automatic leveling control systems. Have your vehicle serviced by your dealer/retailer.

Sport Mode

This message displays when the vehicle is in sport mode. See "Driver Shift Control (DSC)" under Automatic Transmission Operation for more information.

Stabilitrak Competitive Mode

This message displays when the Competitive Driving mode is selected. When in this mode, the Traction Control System (TCS) will not be operating and the TCS/StabiliTrak warning light will turn on. Adjust your driving accordingly. See "Competitive Driving Mode" under Traction Control System (TCS) for more information.

Stabilitrak Not Ready

This message may display after first driving the vehicle and exceeding 19 mph (30 km/h) for 30 seconds. The TCS/StabiliTrak warning light on the instrument panel cluster also comes on. The StabiliTrak system is not functional until the message has turned off. See StabiliTrak® System for more information.

Stabilitrak Off

This message displays when you turn off StabiliTrak, or when the stability control has been automatically disabled. The TCS/StabiliTrak warning light on the instrument panel cluster also comes on.

To realize the full benefits of the stability enhancement system, you should normally leave StabiliTrak on. To turn the StabiliTrak system on or off, see StabiliTrak® System .

There are several conditions that can cause this message to appear.

    • One condition is overheating, which could occur if StabiliTrak® activates continuously for an extended period of time.
    • The message also displays if the brake system warning light is on. See Brake System Warning Light .
    • The message could display if the stability system takes longer than usual to complete its diagnostic checks due to driving conditions.
    • The message displays if an engine or vehicle related problem has been detected and the vehicle needs service. See your dealer/retailer.

The message turns off as soon as the conditions that caused the message to be displayed are no longer present.

Start Aborted By Theft Deterrent

This message displays if there is a communication problem between the keyless access system and the vehicle. The vehicle cannot be started when this message displays. See your dealer/retailer for service.

Theft Attempted

This message displays if the theft-deterrent system has detected a break-in attempt while you were away from your vehicle. See Theft-Deterrent System for more information.

Tighten Gas Cap

This message displays when the fuel cap has not been fully tightened. Recheck the fuel cap to ensure that it is on and tightened properly.

Tire Learning Active

This message displays when the Tire Pressure Monitor System (TPMS) is re-learning the tire positions on your vehicle. The tire positions must be re-learned after rotating the tires or after replacing a tire or sensor. See Tire Inspection and Rotation , Tire Pressure Monitor System , and Inflation - Tire Pressure for more information.

Transmission Hot Idle Engine

This message displays when the transmission fluid in your vehicle is too hot. Stop the vehicle and allow it to idle until the transmission cools down or until this message is removed.

Trunk Open

This message displays when the trunk is not closed completely. Make sure that the trunk is closed completely.

Turn Signal On

This message displays as a reminder to turn off the turn signal if you drive your vehicle for more than about 1 mile (1.6 km) with a turn signal on. A multiple chime sounds when this message displays.

Washer Fluid Low Add Fluid

This message displays when your vehicle is low on windshield washer fluid. Refill the windshield washer fluid reservoir as soon as possible. See Windshield Washer Fluid for more information.