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:

Engine Oil Change
When a %CHANGE message displays in the DIC, have the engine oil and filter changed within the next 1 000 km/600 mi. If driven under the best conditions, the engine oil life system might not indicate the need for vehicle service for more than a year. The engine oil and filter must be changed ...

Mode Control Cable Replacement (LHD)
Mode Control Cable Replacement Callout Component Name Preliminary Procedures Remove the heater and air conditioning control.Refer to Heater and Air Conditioning Control Replacement Remove the instrument panel lower trim p ...

Selector and Shift Lever Cable Bracket Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Disconnect the shift lever and selector lever cable end (1) from the transmission shift lever and selector lever. Pull the cable retainers (2) to release the shift le ...