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Exterior lightingPart report

2007 Cadillac DTS Exterior lighting Problems

Complaints
14about this part
Share
14%of 97 total for the year
Median mileage
57,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 14 complaints about the exterior lighting of the 2007 Cadillac DTS, 14% of the 97 complaints for this model year. Where a mileage was given, the median is 57,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“My lens covering is discoloring and has become clouded over. This was brought to the dealers attention under warranty. He said this is not covered. How can this be when now the headlights are significantly less effective through this cloudy lens. Other Cadillac owners in the dealer hear my conversation and they had the same problem. They had the lens replaced at a cost of over $350. A blind eye seems to be a true safety issue that should be a recall item.”

NHTSA complaint #10447358, filed 2012-02, 50,000 miles

“The issue was regarding the failure of the ballasts in the hid headlights which, per ntsb and other websites, has been a significant issue with this and other GM models. The issue seems to be diagnosed generally as water backing down the headlight assembly into the ballast causing the failure. …”

NHTSA complaint #10785963, filed 2015-10, 64,000 miles

“While driving on the interstate at night at 70 MPH, both headlights flickered then turned off. The lights came back on after cycling to automatic light control switch off then back on. A few minutes later, they turn off again. This dangerous situation has repeated numerous times tonight.”

NHTSA complaint #10562144, filed 2014-01, 127,120 miles

“The left headlamp assembly had to be replaced due to corrosion. Approximately a month later the right headlamp had to be replaced for the same reason. I have subsequently have learned that Cadillac put out a bulletin, document id #08014a, that addresses the problem with corrosion in the headlights. If the headlights failed out at night, in the rain, clearly it is a safety issue.”

NHTSA complaint #10367692, filed 2010-11, 57,000 miles

“All the DTS from 2007 to 2012, have a faulty 3rd brake light on the trunk. The light works when it want to and they stop lighting when it wants to.it is a factory defect.”

NHTSA complaint #11078993, filed 2018-03, 70,000 miles

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
201015%
200878%
20071414%
20067931%
2005111%

Other parts of the 2007 Cadillac DTS

Electrical system
28 complaints
Brakes
13 complaints
Engine
13 complaints
Other or unknown
8 complaints
Steering
8 complaints
Air bags
7 complaints
Seats
7 complaints
Transmission and drivetrain
7 complaints
Engine cooling
5 complaints
Suspension
5 complaints
Body and structure
4 complaints
Wheels
4 complaints

← All problems reported for the 2007 Cadillac DTS

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology