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 WarningWhere to Put the Restraint
According to accident statistics, children and infants are safer when properly
restrained in a child restraint system or infant restraint system secured in a rear
seating position.
We recommend that children and child restraints be secured in a rear seat, including:
an infant or a child ridin ...
Driver or Passenger Seat Back Cushion Cover and Pad Replacement
Removal Procedure
Warning: Refer to SIR Warning in the Preface section.
Warning: Replace the passenger presence system as a complete assembly to prevent
possible injury to the occupant. The bladder, the
pressure sensor, the seat cushion, and the control module are assembled and
calibrated a ...
Fuel Gauge
When the ignition is on, the fuel gauge indicates about how much fuel is left
in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door is
on.
A FUEL LEVEL LOW message may appear in the Driver Information Center (DIC) and
a single chime sounds.
Here are four ...