Need help with your GMC truck or SUV keys? We’re here to help! Locksmith Guarantee is your trusted locksmith team in Maryland, and we specialize in all GMC vehicles and key systems.
Lost your GMC keys? Key fob not working? We fix all kinds of GMC car key problems! Our team works with every GMC model and can help you get back on the road.
GMC Truck & SUV Specialists
Our experienced technicians specialize in GMC security and key systems, ensuring precise service for trucks and SUVs of all models and years.
Affordable, Transparent Pricing
Enjoy dealership-quality service at a fraction of the cost. Our pricing is fair, upfront, and significantly cheaper than GMC dealerships.
All GMC Models Supported
From Sierra and Yukon to Canyon, Acadia, and more—we service every GMC truck and SUV, old or new.
Convenient Mobile Service Across Maryland
No towing, no waiting. We come directly to your home, workplace, or roadside location anywhere in Maryland.
Advanced Key Programming Equipment
We use professional-grade diagnostic and programming tools to duplicate, program, and replace GMC keys accurately and safely.
Licensed, Insured & Trusted Professionals
Your vehicle is protected with fully licensed and insured technicians you can rely on.
We provide locksmith services for all GMC models, including:
Acadia
Canyon
Denali
Sierra
Terrain
Yukon
Savana
GMC Key Replacement
Did you lose your GMC keys? Don't worry! We can make you a brand new set of keys right where your truck is parked. We work on all GMC models including the GMC Sierra, Canyon, Yukon, Terrain, Acadia, Denali, Savana, and many more.
GMC Key Duplication
With our GMC key duplication service, you can always have a reliable spare key ready.
GMC Fob & Remote Start Services
Modern GMC trucks and SUVs use advanced electronic keys and key fobs. If your key fob stops working or you need a new one, we can program it to work perfectly with your GMC's security system.
GMC Ignition Repair & Replacement
Is your key stuck in the ignition? Won't turn? Our technicians fix GMC ignition problems so you can get back on the road.
Locksmith Guarantee proudly serves Greenbelt, College Park, Laurel, Hyattsville, Bowie, and surrounding cities in Maryland.
📞 Call Locksmith Guarantee today for dependable GMC key and ignition services.






Lost Keys – We make new keys from scratch, even without the original Broken Keys – We remove broken pieces and make replacements Dead Key Fob Battery – We replace batteries and fix fob issues Keys Won’t Turn – We repair or replace worn ignition cylinders Need Extra Keys – We duplicate keys for family members Key Fob Not Working – We reprogram or replace faulty key fobs All Keys Lost – We can still help even if you have no working keys
Our prices are always fair and honest. We give you the exact price before starting any work – no surprises! Our car key replacement services cost much less than going to a GMC dealership.
GMC dealerships often charge very high prices for key replacement, especially for trucks. We offer the same professional service at much better prices!
Call us for a free quote: (240) 931-0762
Truck trouble doesn’t wait for business hours! That’s why we’re ready to help day or night, weekends and holidays. Whether you’re stuck at home, at a job site, or in a parking lot, we’ll come to you.
Our emergency locksmith team is always ready to help Maryland drivers with their GMC vehicles.
Need help with a different American truck brand? We’re not just GMC experts! We also specialize in:
Visit our automotive locksmith page to learn more about all the vehicle brands we service.
Licensed & Insured – Professional service you can trust No Hidden Fees – The price we quote is what you pay scheduled Service – Most jobs done in one visit Friendly Team – We explain everything in simple words Quality Parts – We use high-quality keys and components Expert Knowledge – Years of experience with GMC vehicles
The cost depends on what type of key your GMC uses and what year it was made. Newer GMC trucks with advanced key fobs and remote start cost more than older models with basic keys. We always give you the exact price before we start working. Call us at (240) 931-0762 for a free quote. Our prices are usually 30-50% less than what GMC dealerships charge!
Yes, we can! Even if you lost all your GMC keys, we can still make you a brand new set. Our locksmiths have special equipment that can read your GMC's computer and create new keys that work perfectly. We can come to where your GMC truck is parked and make your new keys right there.
Most GMC key fob programming takes between 30 to 60 minutes. Some newer GMC models with advanced features like remote start might take a bit longer. We bring all the equipment we need, so we can program your key fob right where you are. You don't have to take your truck anywhere or wait for days like at a dealership!
No, you don't! Our automotive locksmith team can do everything a GMC dealership does, but we cost less and come to you. We work on all GMC models and years, and we can make any type of key your GMC needs. Plus, you won't have to wait days for an appointment or pay expensive towing fees.
If your key breaks in the lock or ignition, don't try to pull it out yourself! This can damage your GMC's lock system. Call us as scheduled at (240) 931-0762. If your key fob stops working, it might just need a new battery, or it might need reprogramming. We can diagnose the problem and fix it on site. Our technicians carry batteries and have the tools to fix most key problems right at your location.