Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
- The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
- With the key access ignition system, the ignition key should come out only in LOCK/OFF.
See Ignition Positions (Key Access) or Ignition Positions (Keyless Access).
Contact your dealer if service is required.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Wiper Activated Headlamps
This feature activates the
headlamps and parking lamps
after the windshield wipers have
been in use for about six seconds.
For this feature to work, the exterior
lamp control must be in AUTO. ...
Power Liftgate
On vehicles with a power liftgate, the switch is on the driver door.
The vehicle must be in P (Park) to use the power feature.
The taillamps flash when the power liftgate moves.
WARNING
...