![]() ![]() LED bulbs operate at a lower temperature and the light shown on the road tends to be lower than HID bulbs. HID bulbs use two electrodes within the bulb that charge the gas to produce the light. Halogen bulbs have a gas that allows for additional light. ![]() ![]() This allows the most useful pattern of light to be cast onto the roadway. Some car models are sold with headlight options and a mechanic may rely on your car’s VIN to determine the type of headlight system in your vehicle.Īll headlamps rely on reflectors in the lamp housing to focus the headlight bulbs. There are many types of headlight bulbs in use today including sealed beams, halogen plug-in bulbs, LED (light emitting diode), and HID (high intensity discharge) bulbs. They rely on the vehicle’s electrical system for power. ![]() Headlight bulbs are encased in a carefully designed housing that illuminates the roadways and makes your car visible to other drivers and pedestrians. GM will notify owners who qualify for the extended warranty, and dealers will replace the headlamp driver module, if necessary.What are headlight bulbs and how do they work? GM says it will provide owners of affected vehicles extended coverage for problems stemming from the headlamp modules for 12 years or 150,000 miles, whichever happens first.Ī GM dealer will provide repairs at no cost, and owners or lessees who have already paid for the repairs can be reimbursed, according to the company. However, not every vehicle listed in the original recall is included in the extended warranty, such as the 2006-2008 Isuzu Ascender, 2006-2008 Saab 9-7X and 2005 Buick LaCrosse. Vehicles included in the extended warranty program include: A year later, the recall was expanded to include an additional 180,000 vehicles.Īccording to the company, in the affected vehicles, the headlamp driver module may overheat, which could melt the module under the hood and result in failing headlight and daytime running lights. Since 2014, the manufacturer has had problems with its headlights and daytime running lights, when it recalled more than 300,000 vehicles. After receiving 128 consumer complaints following the recall, NHTSA opened an investigation on April 30, 2017, to see if the recall fixed the affected vehicles and if enough vehicles were included. The initial recall was for defective low-beam headlights and daytime running lights on certain GM makes and models that were prone to failure. Following a National Highway Traffic Safety Administration (NHTSA) investigation, General Motors (GM) has extended its headlight warranty to cover problems related to its headlamp driver modules recall. ![]()
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