Your Complete Guide to Car Key Replacement Services in San Antonio

Precision Key Cutting and Electronic Programming for Any Vehicle

Why Drivers Across San Antonio Choose 3H Auto Lock and Key




Our mobile technicians typically arrive at your location within 30 to 60 minutes of your call. Once on site, cutting and programming your replacement key generally takes between 20 and 45 minutes, depending on your vehicle's make, model, and the type of security system it uses.
Not at all. Our certified locksmiths carry professional-grade programming equipment compatible with the majority of modern vehicles. We complete the entire process at your location, which typically saves you a significant amount of both time and money compared to dealership service rates.
We work on a broad range of domestic and foreign vehicles — cars, trucks, SUVs, and vans. Our technicians have experience across numerous makes and models, handling everything from basic cut-key systems to sophisticated transponder and smart key setups.
Yes. Even if you've lost your only set of keys, our team can create and pair a brand-new key fob to your vehicle using specialized equipment. We restore full functionality, including remote locking, unlocking, and ignition start capabilities.
The price varies based on your vehicle's type and the key technology it requires. Standard cut keys are generally the most affordable option, while transponder and smart keys involve additional programming and are priced accordingly. We always provide a clear, upfront quote before we begin any work — no hidden fees.