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I started my truck and after about 5 minutes of idling, there was a loud gush of air from under the truck. It sounded like it was under the bed. My wife heard it and likened it to the sound semi’s make when they release the air from their brakes. I have the adjustable air suspension on the...

I drove my new 2021 home from the dealer last night. While still in drive I applied the parking brake in my driveway, the engine shut off. I restarted, applied the brake again and the truck did not shut off. I looked in the owner’s manual, but don’t see any link between the parking brake and...