Remove Spare Tire: Quick Guide to Unlock and Lower for 2019-2024 GMC Sierra Owners
To remove the spare tire from a 2021 GMC Sierra, first, put the transmission in Park and engage the parking brake. Find the black circular cover on the rear bumper. Use your key to unlock it and reveal the key hole. If you can’t see the valve stem, the spare is mounted backward. For help, … Read more