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:

Body Side Trim Panel Replacement (Sedan)
Body Side Trim Panel Replacement Callout Component Name Preliminary Procedures Remove rear side door opening floor carpet retainer. Refer to Rear Side Door Opening Floor Carpet Retainer Replacement. Remove body rear seat ...

Door Lock and Ignition Lock Folding Key Blade Removal and Installation
Special Tools BO-51098 Flip Key Blade Fixture For equivalent region tools, refer to Special Tools. Caution: Failure to properly support the Remote Keyless Entry (RKE) transmitter assembly while replacing the key blade may cause internal damage to the transmitter assembly. ...

Oil Level Indicator and Tube Removal
Remove the oil dipstick. Remove the oil level indicator tube bolt (1). Note: If the engine oil level is at the maximum level, oil may emerge while removing the oil dipstick guide tube. Remove the oil level indicator tube (2) and oil level indicator seal. ...