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:

Lane Departure Warning (LDW)
For vehicles with this feature, read the entire section before using it. Warning The LDW system is an aid to help the vehicle stay in the driving lane. It does not steer the vehicle. The LDW system may not: . Provide enough time to avoid a crash. . Detect lane markings under bad weather co ...

Fuel Tank Filler Door Replacement
Fuel Tank Filler Door Replacement Callout Component Name 1 Fuel Tank Filler Door Procedure Position the fuel tank filler door to the full open position. Using light outward sliding pressure on the filler door, ...

Instrument Panel Lower Trim Pad Cover Replacement (With AAL)
Instrument Panel Lower Trim Pad Cover Replacement Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. 1 Instrument Panel Lower Trim Pad Fastener ...