My trunk opens by itself. Whenever I get in the car and put my foot on the break, I hear a whining sound from the rear and the trunk will likely open. If it doesn't open with my foot on the break, it opens after I take it off. Note, this happens on occassion too while I am driving. The rear headrest...

When I get in the car, while in park and put my foot on the brake, I hear a whining noise from the rear of the car and the trunk will usually open after a few seconds. It also happens quite often when I take my foot off the brake while in park. It also opens sometimes when I am driving. Has this hap...