Locksmith Mission Valley
NASTF Certified Key Specialist
BBB A+ rated with 1,000+ verified reviews. EZ Car Keyz serves Mission Valley and all of San Diego.
KEYZ

Car Key Locksmith in Mission Valley
Jumped the dead battery on a Hyundai Sonata in the Fashion Valley parking structure. Car started fine on the jump. But the moment the owner shut it off, neither fob would unlock the doors and the security light sat blinking on the dash. The 12V battery had dropped low enough that the body control module dumped its fob pairing data. I connected the Autel IM608 to the diagnostic port, pulled the fault codes from the BCM, ran a voltage stabilizer to hold the system steady, and re-synced both proximity keys in the same session. Took about twenty-five minutes on the third deck of that garage.

CUT, PROGRAM, EXTRACT
Push-to-Start / Smart Key
After a dead battery on your Kia Forte, the smart key module lost sync with both proximity fobs. I run a full fault code scan at the vehicle's data port, clear the BCM errors, and re-register each fob to the immobilizer using the Smart Pro. Passive entry, push-to-start, and trunk release all get confirmed in the Snapdragon Stadium lot before I pack up. Smart key runs $245-$325.
Key Fob Programming
After a dead battery on your Nissan Altima, the BCM lost sync with the remote head key. I re-pair the fob through the OBD-II connector using the Autel IM508, verify lock and unlock signals, and you're back to normal. Remote head key runs $175-$225.
Car Key Replacement
After a dead battery on your Subaru Outback, the immobilizer lost sync and the only transponder key stopped starting the engine. The key itself isn't dead. The car just forgot it. I cut a fresh blade on the Dolphin II, write the chip data to the immobilizer with the Smart Pro, and confirm ignition and door locks at your Riverwalk parking spot. Transponder key runs $145-$185.
Transponder Key Programming
After a dead battery on your Hyundai Elantra, the transponder module lost sync and the engine cranks but won't fire. Here's the thing most people don't expect: on certain Hyundai models, the security relearn cycle has a ten-minute timeout built into the programming sequence. There's no shortcut around it. I connect a voltage stabilizer to hold the electrical system steady during the process, then use the Autel IM608 to clear the immobilizer faults and re-register the transponder chip to the ECU. Once the timer completes, the engine fires clean. Transponder key runs $145-$185.
Cars We Service
We cut and program keys for all makes and models, from everyday sedans to luxury vehicles. Mobile service at your location.
Don't see your car? We handle every make and model.
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We Replace Keys for These Brands
All makes and models · 1995–2027
What San Diego Customers Say
"My wife somehow lost all the keys to her Rav4. These guys came out quickly, price was better than 3 others. They had all the programmers and fob replacements in the van needed to create a brand new key. They exuded the knowledge of a seasoned professional."
Chris E."I lost my car key at the beach. After waiting 4-6 hours for unreliable locksmiths, I called EZ Car Keys. Someone came out within ten minutes and got it done for a fraction of the price. No crazy deposit and no bs."
Makayla Hill"I needed a programmed key and fob for my Honda CRV. I was mistaken about the year of my car, but Marco helped me and got me going quickly. My new key and fob work perfectly. He was nothing but professional and courteous."
Ieshyah Lopez
Other San Diego Neighborhoods
We serve every neighborhood in San Diego and surrounding cities across San Diego. Wherever you are, our mobile locksmith comes to you.
Watch Us Work
See how we cut and program keys on the spot.

Need a Key in Mission Valley? Call Now.
We drive directly to Mission Center Rd & Friars Rd. ETA: 10-15 min.






































