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:

Radio Frequency Statement
This vehicle has systems that operate on a radio frequency that comply with Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS‐GEN/210/220/310. Operation is subject to the following two conditions: 1. The device may not cause harmful inter ...

Mirror Adjustment
Exterior Mirrors Manual Outside Mirrors Move the control up, down, or side to side to adjust the mirror. See Manual Mirrors. Power Outside Mirrors For vehicles with power outside mirrors: Select the mirror by moving the selector switch to L for the driver s ...

Trim Height Inspection
Trim Height Measurement Trim height is a predetermined measurement relating to vehicle ride height. Incorrect trim heights can cause the vehicle to bottom out over bumps, damage to the suspension components and symptoms similar to wheel alignment problems. Check the trim heights wh ...