Have you locked the keys inside of your GMC Sierra? This is a how to unlock 2005 GMC Sierra with no keys when you are locked out.
Professional technique and instruction video for unlocking a GMC Sierra using lockout tools.
Step 1: Slide your airbag into the door jam. Start at the top of the door and slide it up and down. Begin pumping until you see a big enough crack to slide in a tool.
Step 2: Use your long reach tool to flip the manual lock paddle to the unlocked position.
Step 3: Deflate your airbag to avoid risk of damaging vehicle.
Step 4: Grab your keys and your’re good to go!
Vehicles this lockout technique will work on:
Chevy Trail Blazer 2003, 2004, 2005, 2006