Special Application Services
- Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
- Have underbody flushing service performed once a year.
See also:
Parking on Hills
WARNING
Parking the vehicle on a hill with the trailer attached can be
dangerous. If something goes wrong, the rig could start to move. People can be injured,
and both the vehicle and the trailer ...
PASS-Key® III+ Electronic
Immobilizer Operation
Your vehicle is equipped with PASS-Key® III+
(Personalized Automotive Security System)
theft-deterrent system. PASS-Key® III+ is a
passive theft-deterrent system.
The system is automatically ...
Current and Past Models
Technical Service Bulletins and
Manuals are available for current
and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday – Friday
8:00 AM – 6:00 PM Eastern Time
For Credit Car ...