How to unstick backup light switch 07 gmc Yukon XL?

To unstick the backup light switch on a 2007 GMC Yukon XL, first, ensure the vehicle is in the "Park" position for safety. Inspect the switch for any visible debris or corrosion, and gently clean it with electrical contact cleaner if necessary. If the switch remains stuck, you may need to disconnect the battery, remove the switch, and check for mechanical obstructions or wear. Reinstall or replace the switch if needed to restore functionality.