GM Service Manual Online
For 1990-2009 cars only

All audible warnings are generated by the radio. All such warnings are provided to the radio via messages on the class 2 serial data line. The following chimes are supported:

    • Charging System
    • Fasten Safety Belt
    • Hot Coolant Temperature
    • Key In Ignition
    • Lamps On
    • Low Coolant Level
    • Low Fuel
    • Low Oil Level
    • Low Oil Pressure
    • Park Brake
    • Turn Signal On