GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 ION 🢒 Service and Appearance Care 🢒 Checking Things Under the Hood 🢒 Change Engine Oil Message

Object Number: 1224121 Size: A1

When the CHG OIL message is displayed, it means that service is required for your vehicle.

See Scheduled Maintenance Engine Oil for more information.