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 Messages
SERVICE TIRE MONITOR SYSTEM
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays
if a part on the TPMS is not working properly. The tire pressure light also flashes
and ...
Power Seat Adjustment
To adjust a power seat, if equipped:
- Move the seat forward or rearward by sliding the control forward or
rearward.
- Raise or lower the front or rear part of the seat cushion by moving the ...
TPMS Malfunction Light and Message
The TPMS will not function properly if one or more of the TPMS sensors are missing
or inoperable. When the system detects a malfunction, the low tire warning light
flashes for about one minute and ...