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).
- The ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
See also:
Weatherstrips
Apply silicone grease on
weatherstrips to make them last
longer, seal better, and not stick or
squeak. See Recommended Fluids
and Lubricants. ...
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. This li ...
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...






