See also:

Parking (Manual Transmission)
Before getting out of the vehicle, place the shift lever in R (Reverse) and firmly apply the parking brake. For vehicles with the key access ignition, turn the ignition key to OFF/LOCK, and r ...

Compass Calibration
The compass can be manually calibrated. Only calibrate the compass in a magnetically clean and safe location, such as an open parking lot, where driving the vehicle in circles is not a dange ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...