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:

When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires. Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1.6mm (1/16 in) or less of tread rema ...

Rear Side Door Trim Replacement (Sedan)
Rear Side Door Trim Replacement Callout Component Name 1 Rear Side Door Inside Handle Bolt Cap 2 Rear Side Door Inside Handle Fastener Caution: Refer to Fastener Caution. Proce ...

Airbag Roof Side Rail Module Replacement - Rear
Airbag Roof Side Rail Module Replacement - Rear Callout Component Name Warning: In order to prevent SIR deployment, personal injury, or unnecessary SIR system repairs, do not strike the door or the door pillar in the ...