OnStar
Keys and LocksEngine Heater
The engine heater can provide easier starting and better fuel economy during
engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with
an engine heater should be plugged in at least four hours before starting.
1. Turn off the engine.
2. Open the hood and unwrap ...
Generator Replacement (LUW)
Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the drive belt. Refer to Drive Belt Replacement.
Remove t ...
Throttle Body Heater Inlet Pipe Replacement (LUW)
Throttle Body Heater Inlet Pipe Replacement
Callout
Component Name
Preliminary Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
1
Throttle Body Heater Inlet Pipe
...