Open the hood. Above the head lights under the hood on the flat surface above the head lights are two metal rods. They are exposed and are about an inch long. They are held in place with plactic tabs. These two metal rod hold the head light assemble in place. Pull these two rods up and out of the head light assemble. The entire head light assemble will come loose and you have full access to the light bulb socket on the back of the light bulb assemble. Very clever way of doing thing, just hard to figure out.
No.
headlights
NO , Not from the factory.
Yes
The daytime running lights are connected to the bright lights. It just reduces the power for the daytime runners.
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They are daytime running lights. They are always on so people can always see you. Its a safety thing. Newer trucks have specific daytime running lights.
yes
DRL = daytime running lights
yes , by removing DRL
When daytime running lights do not work, it means the bulbs may have burned out. It could also mean the fuses have failed or there is a short in the wiring.
Lift up on the E-brake until the first click. This works for any vehicle (Chevy at least) with daytime running lights.