Obviously, it’s always recommended to call a professional locksmith contractor like D&A 24/7 Locksmiths in order to avoid possible damage to the lock on your Mustang. But if you’re on a budget this tutorial will serve you well. Here’s more info. about our car locksmith services in Washington DC. We work 24/7 and service the entire Washington DC and surrounding area, so feel free to give us a call at (202) 524-1040 at any time.