Headlamp Control Module: Service and Repair
HID Unit Replacement1. Make sure you have the anti-theft codes for the audio system and the navigation system (if equipped), then write down the audio presets.
2. Turn the combination light switch OFF.
3. Disconnect the battery negative cable, then disconnect the positive cable.
4. Remove the headlight assembly.
5. Remove the bulb socket from the HID bulb.
6. Remove the three mounting screws and the HID unit.
7. Install in the reverse order of removal.
8. Enter the anti-theft codes for the audio system and the navigation system (if equipped), then enter the audio presents. Set the clock (on vehicles without navigation).