See also:

A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning compressor automatically turns ...

High-Beam Headlamp/ Low-Beam Headlamp
1. Open the hood. See Hood . 2. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle. 3. Remove the battery cover by pul ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...