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 WarningExterior Lighting Systems Description and Operation
Exterior Lamps
The exterior lighting system consists of the following lamps if equipped:
Headlamps
Daytime Running Lamps (DRL)
Front fog lamps
Rear fog lamps
Park, tail and license lamps
Turn signal lamps
Hazard warning lamps
Repeater lamps
Stop lamps
Backup lamps
Low Beam ...
Aluminum Wheel Refinishing
Finish Damage Evaluation Procedure
Note:
If the wheels are chrome-plated, do not re-plate or refinish the
wheels.
If the wheels are polished aluminum, do not refinish the wheels in
the dealer environment. Utilize a refinisher that meets
manufacturer guidelines.
Inspect the wheel ...
Jump Starting
If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle.
Be sure to use the following steps to do it safely.
WARNING
Batteries can hurt you. They can be dangerous because:
• They contain acid that can burn you.
• They contain gas ...