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:

If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off and use the rocking method. See Traction Control/Electronic Stability Control. Warning If the vehi ...

Manual Mode
To use this feature: 1. Move the shift lever from D (Drive) rearward to M(Manual Mode). While driving in manual mode, the transmission will remain in the driver selected gear. When coming to a stop in the manual position, the vehicle will automatically shift into 1 (First) gear. 2. Press th ...

Rear Side Door Weatherstrip Replacement - Body Side
Rear Side Door Weatherstrip Replacement - Body Side Callout Component Name Preliminary Procedures Remove the upper center pillar trim. Refer to Center Pillar Upper Trim Panel Replacement. Remove the lower center pillar tr ...