This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
full bulletin at NHTSA ↗2005 Buick Century lighting problems
moderate Owners of the 2005 Buick Century have filed 4 NHTSA complaints about the lighting at roughly $250 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
Complaints
4
Recalls
0
Avg fix
$250
When does it fail?
Of the 4 lighting complaints filed for the 2005 Buick Century, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA lighting complaint has been filed on this vehicle in over 17 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
full bulletin at NHTSA ↗This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
full bulletin at NHTSA ↗This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
full bulletin at NHTSA ↗This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
2005 Buick century headlights turn themselves off while driving.this has happened on three separate occasions . I believe a faulty high low beam switch is the problem. *tr
A few times in the last 2 years the headlights have turned off while driving for no reason. Once while I was in the car with a friend who also owns a Buick the issue occurred and he told me his car had been recalled for the same issue. I contacted Buick, who denied any knowledge of the issue, they referred me to my local Buick dealer who was aware of the problem but indicated my model was not one…
Headlights turned off while driving. No headlights or brights only available.
Tl*the contact owns a 2005 Buick century. The headlights have been shutting off during the night. The failure has occurred four times. The vehicle was taken to the dealer and they stated that a new dimmer switch was needed. The manufacturer stated that the dealer would cover half of the repair costs. The contact feels that he should not be charged at all because this is a safety hazard. The…
Had lighting trouble with your 2005 Buick Century?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the lighting problem on the 2005 Buick Century?
It's a documented issue but not catastrophic. 4 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?
Based on the 4 complaints filed, lighting issues most often appear around 78,494 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2005/Buick/Century.
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. Some links on this page are affiliate links.