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:

Front Side Door Lock Cylinder Coding (Free Wheeling)
Special Tools BO-49753 Assembly Tool The door lock cylinder uses 8 of the 8?€‰cut positions. The tumbler positions are staggered from side to side, 4 on one side and 4 on the other, are not self-retaining, and are not snap in. Note: All lock cylinders for side milled keys ha ...

Instrument Panel Upper Trim Panel Replacement - Right Side
Instrument Panel Upper Trim Panel Replacement - Right Side Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. Remove the instrument panel center molding. Refer to Inst ...

Oil Pan Removal
Remove the 16 oil pan bolts (1). Caution: Pry the oil pan carefully in order to prevent damage to the transaxle case or the oil pan sealing surfaces. Place a suitable prying tool to the area shown (1) and carefully pry the oil pan loose. R ...