Even with the bumper-to-bumper warranty, she ran into one of the biggest warranty misconceptions there is. Brooke (@brookesdailydrive) reveals what exactly the biggest misconception is when it comes to bumper-to-bumper warranty coverage. “Rodent damage. For consumers, it can be confusing to get bumper-to-bumper warranty coverage and then get denied when a rodent eats your wiring. Brooke shared with Motor1 a real-life example where her dealership had to deny warranty coverage for a customer experiencing water in the floorboard.