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 MANUALSBUICK2010LUCERNE CXL, 3.9 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 249 (LIGHTING SYSTEM)
2010 Buick Lucerne CXL, 3.9 M
Section 249 (Lighting System)
2010 Buick Lucerne CXL, 3.9 MSECTION Section 249 (Lighting System)
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Wiring Schematics
- Headlights/Daytime Running Lights (DRL) Wiring Schematics
- Fog Lights Wiring Schematics
- Exterior Lights Wiring Schematics
- Interior Lights Wiring Schematics
- Interior Lights Dimming Wiring Schematics
- Ashtray, Clock, Driver Information, Hazard, Headlamp, HVAC Control, and Radio
- Garage Door Opener, Middle Windows, Rear Compartment Courtesy Lamp, Sunshade, Sunroof, Traction Control, and Transmission Shift Lever
- Heated Seat, Rear Windows, and Seat Lumbar
- HVAC Control, Steering Wheel, and Telltale Info
- I/P and Seat Accent Lamps
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC B1395
- DTC B2530
- DTC B2545
- DTC B2555
- DTC B2575
- DTC B257A
- DTC B2580
- DTC B2585
- DTC B2590
- DTC B2595
- DTC B261A
- DTC B2610
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B2615
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B2625
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B2645
- DTC B2652
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B3445
- DTC B3600
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B3884
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC C0277 or C0890
- DTC C0297
- Symptoms - Lighting
- Backup Lamps Malfunction
- Cornering Lamps Malfunction
- Courtesy Lamps Malfunction
- Daytime Running Lamps Malfunction
- Front Fog Lamps Malfunction
- Hazard Lamps Malfunction
- High Intensity Discharge Lamp Malfunction
- Headlamps Malfunction
- Interior Backlighting Malfunction
- Park, License, and/or Tail Lamps Malfunction
- Stop Lamps Malfunction
- Turn Signal Lamps and/or Indicators Malfunction
- Repair Instructions
- Brake Pedal Position Sensor Calibration
- Brake Pedal Position Sensor Replacement
- Headlamp Switch Replacement
- Interior Lamp Switch Replacement
- Hazard Warning Switch Replacement
- Ambient Light Sensor Replacement
- Ashtray Lamp Bulb Replacement
- Door Courtesy Lamp and Reflector Replacement
- Luminescent Lamp Replacement - Instrument Panel
- LED Circuit Board Replacement
- Luminescent Lamp Replacement - Driver or Passenger Seat
- Instrument Panel Compartment Lamp Switch Replacement
- Instrument Panel Storage Compartment Lamp Replacement
- Roof Rail Rear Courtesy Lamp Switch Replacement
- Roof Rail Rear Courtesy Lamp Replacement
- Transmission Control Position Indicator Bulb Replacement
- High Intensity Discharge Headlamp Replacement
- Headlamp Ballast Replacement
- Headlamp Bulb Replacement
- Headlamp Aiming
- Front Fog Lamp Bulb Replacement
- Fog Lamp Aiming
- Repeater Lamp Replacement
- Front Side Marker Lamp Bulb Replacement
- Parking and Turn Signal Lamp Bulb Replacement
- Cornering Lamp Replacement
- Cornering Lamp Bulb Replacement
- High Mount Stop Lamp Replacement
- Rear License Plate Lamp Replacement
- Tail Lamp Replacement
- Rear Compartment Courtesy Lamp Replacement
- Description and Operation
- Exterior Lighting Systems Description and Operation
- Notes
- Headlamp Operation
- High Intensity Discharge (HID) Low Beam Headlamps
- High Beam Headlamps
- Run Up of the HID Lamp
- When to Change the HID Bulb (arc tube)
- Light Color
- Daytime Running Lamps (DRL)
- Flash to Pass (FTP)
- IntelliBeam Intelligent High-Beam Headlamp Control System
- Front Fog Lamps
- Park, Tail, Marker and License Lamps (All countries except Japan, Taiwan, Korea)
- Turn Signal Lamps
- Hazard Lamps
- Cornering Lamps
- Stop Lamps (All countries except Japan, Taiwan, Korea)
- Backup Lamps
- Battery Rundown Protection/Inadvertent Power
- Interior Lighting Systems Description and Operation
- Exterior Lighting Systems Description and Operation
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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.