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 WarningEngine Compartment Overview
1.4L L4 Engine
1. Engine Air Cleaner/Filter.
2. Engine Oil Dipstick. See Engine Oil.
3. Engine Cooling Fan (Out of View). See Cooling System.
4. Engine Oil Fill Cap. See Engine Oil.
5. Engine Coolant Surge Tank and Pressure Cap. See Cooling System.
6. Brake/Clutch Fluid Reservoir. See Brakes ...
Backup Lamp Switch Replacement
Backup Lamp Switch Replacement
Callout
Component Name
Preliminary Procedure
Disconnect the negative battery cable. Refer to Battery Negative
Cable Disconnection and Connection.
Without draining the coolant or removing the ...
Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the
back of the throttle valve plate. The source of the deposit is exhaust gas.
Typically these deposits pose no problem. Occasionally the deposit may accumulate
to a point where perceived pedal effort or throttle valve mov ...