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:

Making a Call Using Phone Book
For cell phones that support the phone book feature, the Bluetooth system can use the contacts stored on your cell phone to make calls. See your cell phone's owner's guide or contact your wireless provider to find out if this feature is supported by your phone. When a cell phone suppo ...

Rear Compartment Lid Applique Replacement
Rear Compartment Lid Applique Replacement Callout Component Name Preliminary Procedure Open and support the rear compartment lid. Remove the rear compartment lid inner panel trim. Refer to Rear Compartment Lid Inner Panel ...

Engine Coolant Fan Resistor Mount Repair
Engine Coolant Fan Resistor Mount Repair Callout Component Name Preliminary Procedure Remove the fasteners securing the radiator surge tank to the engine shroud and position the surge tank out of the way. Refer to Radiator ...