For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningRemoval Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Disabling and Enabling.
Disconnect the negative battery cable. Refer ...
Cruise Control
For vehicles with cruise control, the vehicle can maintain a speed of about 40
km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control
does not work at speeds below 40 km/h (25 mph).
If the brakes are applied, the cruise control shuts off.
The vehicle has a Traction ...
Trailer Towing (Except Fuel Economy Model)
Before pulling a trailer, there are three important considerations that have
to do with weight:
• The weight of the trailer.
• The weight of the trailer tongue.
• The total weight on your vehicle's tires.
Weight of the Trailer
How heavy can a trailer safely be? It should never weigh more ...