EZ Car Keyz Bonita
NASTF Certified for High-Security Vehicles
Google Guaranteed and BSIS-licensed in California. Serving Bonita, Chula Vista.
KEYZ

Car Key Locksmith in Bonita
Your 2024 RAV4 uses AES-encrypted smart keys. The dealer is not the only one who can program them. Last week at Rohr Park, a RAV4 owner locked out of the proximity system watched me register a brand-new 8A-AES fob with the Xhorse Key Tool Plus in under forty minutes. Toyota's 128-bit encryption doesn't care whether the tool is bolted to a dealer bench or sitting in a mobile van on a park access road. It cares whether the programming session speaks the right protocol. Mine does.

TRANSPONDERS, FOBS & SMART KEYS
Key Fob Programming
Your 2023 Sportage's rolling-code remote uses AES frequency hopping that resets the unlock sequence after every press. I sync a replacement fob to the immobilizer through the VVDI2 at the vehicle's diagnostic port, then test lock, unlock, and panic before handing it over. Bonita Golf Course lot or your driveway, same result. $165-$215.
Transponder Key Programming
Your 2021 Outback's immobilizer rejects any blade without the correct encrypted chip. I write a new transponder to the security module using the Key Tool Plus and confirm the engine fires clean. Done at your Bonita location. $145-$185.
Push-to-Start / Smart Key
Your 2024 RAV4's smart key system runs Toyota's 8A-AES protocol, 128-bit security that requires tool firmware most locksmiths haven't updated to. I register a new proximity fob via the OBD-II connector using the Key Tool Plus with current AES licensing. Here's the part nobody mentions: this job isn't a fifteen-minute fix. The RAV4's security module enforces a timed handshake that can stretch twenty to thirty minutes depending on how many keys are already registered. If you're waiting at Sweetwater Summit, bring something to scroll through. Worth the wait over a $500 dealer visit. $245-$325.
Lockout Service
Your 2023 CR-V's proximity lock system won't help when the fob is sitting on the back seat and the doors are shut. I use a long-reach tool with an air wedge to trip the interior release, working carefully around the door seal to protect the weatherstripping. Ten minutes, back inside, heading to wherever you were going from Rohr Park. $105-$145.
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 Chula Vista Customers Say
"Needed a replacement master key with transponder chip for my 2005 Taurus. Marco responded quickly, quoted a fair price, and handled the job flawlessly. He's a mobile 1-man operation with 15 years in business."
Ron G."I called in a panic as I had lost the fob to my rental car. The tech said he'd be there in 20 mins. He was on time, fixed the issue quick, and was nice and professional. I appreciate everything he did for me and my kids!"
Celeste Amaro"EZ Car Keys is by far the best locksmith I've ever used. Marco is prompt, prices are reasonable, and he has the experience that leaves you comfortable. We've used him twice and will never use anyone else!"
Traci Thomas
Other Chula Vista Neighborhoods
We serve every neighborhood in Chula Vista 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 Bonita? Call Now.
We drive directly to Bonita Rd & Central Ave. ETA: 15-20 min.






































