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 days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
If a Tire Goes Flat
It is unusual for a tire to blow out while driving, especially if the tires are
maintained properly. See Tires . If air goes out of a tire, it is much
more likely to leak out slowly. But if ...
CALIBRATING DRIVE IN
CIRCLES
This message displays when
calibrating the compass. Drive the
vehicle in circles at less than 8 km/h
(5 mph) to complete the calibration.
See Compass for more
information. ...
Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...






