2007 Buick Lucerne: headlights failing or too dim

Filed Mar 16, 2019 · Electrical, Lights · 63,000 miles · IL

I purchased my '07 buick lucerne cxl about a year ago ago an I actually love the car however; about 3 or so months ago I noticed a what I am suspecting is the transmission or possibly a censor or relay issue causing the car to make a hesitation and drag when I try to keep a consistent speed and only quits when I press or depress the gas pedal making the car either accelerate or decrease in speed drastically. Also, about a month ago I noticed the headlights and dash lights get brighter and then dimmer in a flashing manner at no certain interval; now the "service battery charging system" dic message along with the red battery dash light comes on and goes off also at no specific time or interval ( at which time my heater/seat warmers/radio/etc shut off ). I am able to force the dic message and battery dash light to go away upon my revving the engine or accelerating drastically. I have had both the battery and the alternator checked and both are in good working order so now, after some online research, I will check the fuses and relay switches more intensely. I pray I am able to find a solution as I really do love my car. Also, last week my transponder key quit working in the ignition and had to use the fob remote start to start the engine, thankfully upon checking the fuses under the back seat ( I guess from removing and replacing them ), the key and console ignition did start operating normally again. And I checked my VIN # on this site and it is returning clear to having no current recalls. I am however worried of some of the stories I have read regarding malfunction, I fear I may be facing a future alike incident so if anyone has any solutions I am all ears. Thank you...

Filed Jan 9, 2019 · Lights · 39,391 miles · FL

Both right and left headlights, both hi-beams and low beams will not illuminate. All other exterior lights work. Ac delco 22860591 body control module has been replaced and programed. All fuses and relays have been checked. Headlight switch # 15926061 (without fog and trunk release) replaced. Head lambs still do not work. Without headlights this car is unsafe to drive.

Filed Apr 6, 2017 · Electrical · 95,000 miles · ID

Head light failure due to passenger side relay harness module failure. Low beam lights failed on dark night on mountain road. This problem has been reported by numerous buick lucerne drivers. Buick obviously knows there is a problem because they offer a replacement front light harness module that must be spliced into the existing main light harness to replace the original equipment module. This is an obvious manufacturing design defect and a difficult module to replace. The replacement module is approximately $50 and the replacement labor is around 1.5 hours. With normal use this light module connections shorts out because of the overload on the module. Why hasn't this problem been considered for a recall? Gm has admitted it is a design defect with the availability of the replacement light harness module wiring kit. My wife almost went off the road and wrecked when the lights went out.

Filed Apr 26, 2016 · Lights · 99,998 miles · ID

The passenger side head lights failed and the problem was not the bulbs. The primary connector for both the high beam, low beam, and turn signal lights proved to be defective with a burn mark on the terminal that supports the above lights. I was advised by the buick dealer that there is a kit to replace this connector because it is a known problem. This is a safety issue because this connector can fail at any time and it is impossible for a non-mechanic to repair this connector in the field because access to the connector involves a partial dismantling of the bumper shield and special tools. The fact that there is a kit to replace this connector suggests it is a design defect in either the wiring or the connector and that it should be considered a recall item because of the potential danger of sudden loss of headlights. My lights went out at night while driving in mountain terrain. I have gone on the internet and this apparently is a problem that has been experienced by a number of buick lucerne owners. This is an engineering mistake and gm should be forced to recall these cars and repair this design defect.

Filed Apr 28, 2014 · Lights · MO

2007 buick lucerne. Consumer writes in regards to rear view cameras and automatic headlights in all cars..

Filed Oct 15, 2013 · Electrical, Lights · 109,200 miles · CO

Left home in the evening and turned headlights on. Noted the highbeams were on and tried to change to lowbeams, but headlights remained on highbeams.

Filed Sep 10, 2007 · Electrical · 10 miles · CA

The digital odometer and radio gauge readouts are pitch dark and are impossible to read when the auto-headlamps are turned on during daylight, such as right after exiting a garage, a tunnel, parking structure, etc. Warning messages are also displayed through the same readout area.

Filed Jul 2, 2007 · Electrical · 10 miles · MD

The dash gauges are hard to see. Fuel gage & temp are the worst. The manuel pg 171 states "turn the light switch to auto, the headlights will lite at normal brightness & parking lamps & instrument panel lights will also light. Panel lights do not light during the day gauges are almost impossible to see. Then put sun glasses on makes it even worst. Early in am & around dusk just cannot see them at all. Dealer told me in order to turn on instrument panel lights switch must be at (headlamps position). I feel that since buick placed the gauges in that position then there should be some way to see them I/e backlight. Please advise . Is buick aware of this problem & what are their plans?