See also:

Exit Recall
: Press to move the driver seat back a preset distance and/or the power steering column, if equipped, up and forward. A single beep sounds when the exit feature activates. The vehicle must ...

StabiliTrak® OFF Light
This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off. Press and r ...

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 ...