See also:

Resuming a Set Speed
If the cruise control is set at a desired speed and then the brakes are applied or the is pressed, the cruise control is disengaged without erasing the set speed from memory. Once the vehicl ...

Questions and Answers About Safety Belts
Q: Will I be trapped in the vehicle after a crash if I am wearing a safety belt? A: You could be — whether you are wearing a safety belt or not. But your chance of being conscious during and ...

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 ...