OnStar Services

See also:

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. ...

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 a ...

Column Shift
If the shifter cannot be moved out of P (Park) 1. Apply and maintain the regular brakes. 2. Turn the ignition key to the ON/RUN position. See Ignition Positions for more information. 3. Shift out ...