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:

Cruise Control
If the vehicle is equipped with cruise control, a speed of about 40 km/h (25 mph) or more can be maintained without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 mph). Warning Cruise control can be dangerous where you cannot drive safely at a st ...

Front Seat Belt Anchor Plate Tensioner Replacement
Front Seat Belt Anchor Plate Tensioner Replacement Callout Component Name Warning: Refer to SIR Warning. Warning: In order to prevent accidental deployment and the risk of personal injury, do not dispose of a ...

Piston and Connecting Rod Disassemble
Remove the piston with connection rod. Refer to Piston, Connecting Rod, and Bearing Removal. Note: Note installation position of the piston in respect of the connection rod. Detach the piston from the connection rod. Note: Do not damage the bore. Remove ...