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:

System Settings
Configuring the Number of Favorite Pages To configure the number of available favorite pages: 1. Press the Push/MENU/TUNE button. 2. Select Radio Settings. 3. Select Radio Favorites. 4. Select the number of available favorite pages. 5. Press the / BACK button to go back to the System Configu ...

Torque Lock (Automatic Transmission)
If you are parking on a hill and you do not shift the transmission into P (Park) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may find it difficult to pull the shift lever out of P (Park). This is called “torque lock.” To prevent t ...

Fuel Tank Filler Door Latch Housing Replacement
Fuel Tank Filler Door Latch Housing Replacement Callout Component Name Preliminary Procedures Remove the rear wheelhouse panel liner. Refer to Rear Wheelhouse Liner Replacement. Remove the fuel tank filler door. Refer to ...