Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2012SONIC L4-1.4L TURBOREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHIGNITION SWITCH LOCK CYLINDERSERVICE AND REPAIR
2012 Chevrolet Sonic L4-1.4L Turbo
Ignition Switch Lock Cylinder: Service and Repair
2012 Chevrolet Sonic L4-1.4L TurboSECTION Service and Repair
Ignition Lock Cylinder Replacement
Removal Procedure
1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Remove the upper trim cover and the lower trim cover from the steering column. Refer to Steering Column Lower Trim Cover Replacement Steering Column Lower Trim Cover Replacement.
3. Insert the key into the ignition lock cylinder and turn the key to the RUN position.
4. Push a pick-type tool into the access hole (2) in the ignition and start switch housing and press the ignition lock cylinder lock tab down.
5. Remove the ignition lock cylinder (1) from the ignition and start switch housing.
Installation Procedure
1. If you are installing a new ignition lock cylinder, code the lock cylinder. Refer to Lock Cylinder Coding - Ignition Lock Cylinder Coding - Ignition.
2. Turn the key to the RUN position and insert ignition lock cylinder (1) into the ignition and start switch housing.
3. Turn the key to the LOCK position and remove the key from the ignition lock cylinder.
4. Install the upper trim cover and the lower trim cover to the steering column. Refer to Steering Column Lower Trim Cover Replacement Steering Column Lower Trim Cover Replacement.
5. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.