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.
2007 Buick Lucerne CXFACTORY OEM SERVICE PROCEDURE
Shift Lock Control Component Views
| Callout | Component Name |
|---|---|
| 1 | Steering Wheel Control Switch-Left |
| 2 | Horn Switches |
| 3 | Steering Wheel Control Switch-Right |
| 4 | Horn Switches |
| 5 | Ignition Switch |
| 6 | Theft Deterrent Module (TDM) |
| 7 | Ignition Lock Cylinder Solenoid (A51) |
| 8 | Steering Angle Sensor (JL4) |
| 9 | Inflatable Restraint Steering Wheel Module Coil |
| 10 | Turn Signal/Multifunction Switch |
| Callout | Component Name |
|---|---|
| 1 | A/T Shift Lock Control Solenoid (AN3) |
| 2 | Reverse Lockout Solenoid C1 (A51) |
| 3 | Reverse Lockout Solenoid (A51) |
| 4 | Reverse Lockout Solenoid C2 (A51) |
| 5 | Shifter Background Lamp |
| 6 | Auxiliary Power Outlet (A51) |
| 7 | Traction Control Switch |
| 8 | Cigar Lighter (DT4 w/A51)/Auxiliary Power Outlet (A51) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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