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:

Infotainment
Determine which radio the vehicle has and read the following pages to become familiar with its features. Warning: Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you or others. Do not give extended attention to infotainment tasks wh ...

Front Wheel Drive Intermediate Shaft Replacement
Front Wheel Drive Intermediate Shaft Replacement Callout Component Name Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the wheel drive shaft assembly from the vehicle ...

Heater Outlet Hose Replacement (LUV)
Heater Outlet Hose Replacement Callout Component Name Preliminary Procedures Drain the engine coolant. Refer to Cooling System Draining and Filling. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacemen ...