2011 Mazda 3
Key Replacement - Save vs Dealer in Ventura County
Mobile Locksmith | We Come to You

Skip the trip to the dealer. Our mobile locksmith brings professional-grade equipment right to your door anywhere in the area. Your new key is cut and programmed while you wait.

Mobile key service at your door
2011 Mazda 3
Key Options
Dealer-grade key for a fair, honest price
Mazda 3 Key: Mobile vs Dealer Visit
No towing, no waiting rooms - compare the experience
2011 Mazda 3 Smart Key Replacement - Fast, Affordable & Professional
Over in the Big Sky neighborhood in Simi Valley, a guy flagged me down from his duplex driveway. His 2011 Mazda 3 smart fob had a crack running straight through the housing. The shell had split after a drop on the concrete, and two of the four buttons were barely hanging on by the rubber pad underneath.
He had already called the Mazda dealer. They quoted him a full replacement fob, programming appointment, and a wait time of about a week for the part to come in. What nobody told him was that the internal board and the Mitsubishi transponder chip inside were still working fine. The damage was cosmetic, just broken plastic.
I pulled up, read the keyless module data through the OBD port with my ACDP as a precaution, then carefully moved his existing electronics into a new aftermarket housing matched to the BBY2-67-5RY shell profile. Fresh CR2025 seated correctly, blade transferred over, buttons tested one at a time. Lock, unlock, trunk, panic. Then push-to-start from inside, engine off, restart again cold.
He stood there watching the whole thing from his driveway. Took maybe twenty minutes.
The fob was never broken. The plastic around it was. He kept his original programmed key and paid a fraction of what the dealer wanted for a full replacement he never needed.
Save vs the Dealer on Your Mazda 3 Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Mazda 3 Rapid Response, Done Right
Rapid response in the field
Reviews From Happy Mazda Customers
Mobile service that comes to you
“The dealership quoted me $600 for a new Honda key. EZ Car Keyz did it for $225, same day, cut and programmed at my house. Works perfectly. Everyone should know this is an option.”
“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”
“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”
Mazda 3 Key Service Areas
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