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 WarningTire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check
tire pressure levels. The TPMS sensors monitor the air pressure in your tires and
transmit tire pressure readings to a receiver located in the vehicle.
Each tire, including the spare (if provided), should be check ...
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system
overload.
When the current electrical load is too heavy, the circuit breaker opens and
closes, protecting the circuit until the current load returns to normal or the problem
is fixed. This greatly reduces the c ...
Steering Knuckle Replacement
Preliminary Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle
Remove the wheel bearing and hub assembly. Refer to Front Wheel Bearing
and Hub Replacement.
Separate the outer tie rod end from the knuckle. Refer to Steering
Linkage Outer Tie R ...