For me, personally, I run the DRL with the markers so all of my auxiliary lights are backlit. I think the truck looks goofy with just the amber surrounds on the headlight and not the three markers in the middle. Plus, I like having the rear lights on so people can see me in the daytime when they're running up on me while on their phone and exceeding the speed limit. The more lights, the better.
It allows me to just get in and not have to change the switch to parking lights, and then back to auto when I get out. Just saves a step and I'm that lazy.
But really, it just looks cool and I like it. Why spend the money if I'm not going to use things for their intended purpose?
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