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:
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one of
the vehicle's tires. If the warning light comes on, ...
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed. When you change
the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine
Oil Life Syst ...
Exterior Lighting
The exterior lamps control is located on the instrument panel to the left of
the steering wheel.
: Turns off the automatic headlamps
and Daytime Running Lamps (DRL). Turning the headlamp contr ...






