Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation

The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

Engine Oil Pressure Light
Caution Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be covered by the vehicle warranty. Check the oil level as soon as possible. Add oil if required, but if the oil level is within the operating ...

Vehicle Personalization
Personalization Menu (Radio without Touchscreen) Use the audio system controls to access the personalization menus for customizing vehicle features. The following are all possible personalization features. Depending on the vehicle, some may not be available. CONFIG (Configur ...

Fuel Tank Filler Pipe Replacement
Removal Procedure Remove the bracket fastener (1). Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the fuel tank filler pipe bracket fastener (1). Disconnect the vent hose (2). Refer to Plastic Collar ...