Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it impossible to steal.
See also:
Resuming a Set Speed
If the cruise control is set at a desired speed and then the brakes are applied,
the cruise control is disengaged without erasing the set speed from memory.
Once the vehicle speed reaches about 40 ...
Tire Inspection
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected
for signs of wear or damage at
least once a month.
Replace the tire if:
- The indicators at three ...
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 ...