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:

California Proposition 65 WarningHood
To open the hood:
1. Pull the hood release handle inside the vehicle. It is located on the lower
left side of the instrument panel.
2. Go to the front of the vehicle and move the secondary hood release lever toward
the right side of the vehicle.
3. Lift the hood and release the hood pro ...
Brake Pedal Position Sensor Calibration
Calibration Criteria
Note: Do not apply the brake pedal during the brake pedal position
sensor calibration procedure. Any movement of the brake pedal during this
procedure will cause the calibration procedure to fail. If this occurs,
the brake pedal position sensor calibrati ...
Electrical Center Identification Views
Figure 1:
X70A Relay Block - Underhood Label (LUV)
Figure 2:
X70A Relay Block - Underhood, Top View (LUV)
Figure 3:
X50A Fuse Block - Underhood Label (LUV)
Figure 4:
X50A Fuse Block - Underhood Label (LUW)
...