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:

Floor Mats
Warning If a floor mat is the wrong size or is not properly installed, it can interfere with the pedals. Interference with the pedals can cause unintended acceleration and/or increased stopping distance which can cause a crash and injury. Make sure the floor mat does not interfere with the pe ...

Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56°C (14?E33°F), the intake air temperature (IAT) is greater than −10°C (14°F) and it ...

Lights
Basic information Example Front parking light / daytime running light / front turn signal Map light Headlight (low beam) Front fog light (if equipped) Headlight (high beam) Front side marker light Puddle light (if equipped) Side turn signal (if equipped) Rear personal light ...