DT: THE CONTACT STATED WHILE DRIVING AT NIGHT APPLIED THE RIGHT TURN SIGNAL SWITCH AND EXPERIENCED TOTAL LOSS OF THE EXTERIOR HEADLIGHTS. WHEN DISENGAGING THE TURN SIGNAL SWITCH THE HEADLIGHTS CAME BACK ON. HE TESTED THIS SEVERAL TIMES, AND EACH TIME THAT HE ENGAGED THE TURN SIGNALS THE HEADLIGHTS WENT OUT, BUT WOULD COME BACK ON WHEN THE TURN SIGNAL SWITCH WAS NOT IN USE. HE TOOK THE VEHICLE…
2005 Cadillac Deville lighting problems
moderate 3 complaints filed with NHTSA · avg repair $250
Complaints
3
Recalls
0
Crashes
0
Avg fix
$250
What owners are reporting 2 most recent
THE FRONT HEAD LIGHTS ON MY 2006 CADILLAC DTS GO OUT AT ALL TIMES. I HAVE TO CONTINUOUSLY CUT OUT AND I HAVE TO TURN THE LIGHT SWITCH OFF AND ON SO I CAN DRIVE AT NIGHT. II PREVIOUSLY OWNED ANOTHER 2006 CADILLAC DTS WITH THE SAME PROBLEMS. I TOOK THE VEHICLE TO A CADILLAC DEALER KRISTAL AUTO MALL IN BROOKLYN, NY AND THEY FIX THE PROBLEM WHICH THEY SAID WAS A FAULTY BALLAST. IT WAS FAULTY ON BOTH H…
Common questions
How serious is the lighting problem on the 2005 Cadillac Deville?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
No active recalls currently cover lighting issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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