2012 Cadillac CTS Owner Manual - Page 359

Vehicle Care 10-39 High Intensity Discharge (HID) Lighting LED Lighting This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer. 3. Remove the electrical connector from the bulb by lifting the two plastic clips. 4. Remove the bulb socket from the lamp housing by turning the bulb socket one-quarter turn counterclockwise. 5. Pull the old bulb from the lamp housing keeping the bulb straight as you pull it out. 6. Install a new bulb. 7. Reinstall the electrical connector by pushing in the two plastic clips. 8. Push the bulb socket into the lamp housing and turn the socket one￿quarter turn clockwise. { WARNING The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your dealer or a qualified technician service them. After an HID headlamp bulb has been replaced, the beam might be a slightly different shade than it was originally. This is normal. Fog Lamps To replace a front fog lamp bulb: 1. Pull out the push-pins located on the underside of the protection shield to remove the shield. 2. Reach up behind the front bumper area from under the vehicle to access the lamp housing.