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 WarningDriving Characteristics and Towing Tips
Driving with a Trailer
When towing a trailer:
• Become familiar with the state and local laws that apply specifically to trailer
towing.
• Do not tow a trailer during the first 800 km (500 mi), to prevent damage to the
engine, axle or other parts.
• Then, during the first 800 km (500 mi) tra ...
Installation Procedure
Cut the rear side rail in corresponding locations to fit the remaining
original panel. The sectioning joint should be trimmed to allow a
gap of one-and-one-half-times the metal thickness at the sectioning joint.
Create a 50 mm (2 in) backing plate from the unused portion of the
serv ...
Instrument Panel
Instrument Panel Overview
1. Exterior Lamp Controls
Front Fog Lamps
Instrument Panel Illumination Control
2. Air Vents
3. Headlamp High/Low-Beam Changer
Turn Signal Lever.
Driver Information Center (DIC) Buttons.
4. Instrument Cluster
5. Driver Information Center (DIC)
6. Steering Wheel ...