GM Service Manual Online
For 1990-2009 cars only

United States and V6 in Canada


Object Number: 810590  Size: A1

Canada (V8 Only)


Object Number: 1254434  Size: A1

If your vehicle has this feature, this light will come on briefly as a bulb check when your ignition is turned to ON.

This light will come on and a warning chime will sound if you have certain non-emissions related vehicle problems. These problems may not be so obvious and may not affect vehicle performance or durability. Consult a qualified dealership for necessary repairs to maintain top vehicle performance.