2007 Acura MDX
Key Cut and Programmed Fast in Ventura County

Q: How do I avoid scam locksmiths when replacing my MDX key?

Blunt answer. If the price sounds too low to be real, it probably is. Common pattern is a tiny “service call” quote on the phone, then a big jump once they are standing next to your 2007 Acura MDX. I give a firm estimate up front for your specific key, 35111-STX-329 or whichever version you have, and I explain whether it is add a key or all keys lost. You should also be able to verify licensing, insurance, and see real work being done on the exact vehicle you drive.

Q: Will the replacement key work exactly like my original?

Yes, when it is the correct key. For a 2007 Acura MDX using FCC ID N5F0602A1A, I match the Philips ID46 transponder and program it to your immobilizer so the engine starts and the green key indicator behaves normally. Then I pair the remote side so all four buttons respond: lock, unlock, power tailgate, and panic. If your MDX has memory seats, Driver 1 and Driver 2 keys can call up different seat and mirror settings. Using the correct part number, like 35111-STX-329 for Driver 2, keeps those features working as designed.

Q: My flip key will not stay locked open. What is going on?

Acura released bulletin 10-008 covering retractable master keys that do not lock in the extended position on 2007 to 2010 MDX models. The issue is wear at the release button and collar inside the key head. Over time the blade stops clicking firmly into place and can fold while you are turning the ignition. At that point, the fix is replacing the key head assembly or the complete key, then transferring and reprogramming the transponder as needed. If yours feels loose, do not ignore it.

Q: I changed the CR1616 battery and now the remote does nothing. Why?

Short answer. It is usually not the car. On this MDX, the remote and immobilizer are two separate functions inside the same shell. If the engine still starts but the buttons are dead, start with the basics. Make sure the CR1616 is seated flat and the battery clips are not bent. There is also an Acura bulletin, 07-046 dated August 17, 2007, that addresses remote transmitter concerns. In some cases the transmitter needs to be re registered to the vehicle. That can be done with the proper sequence or with scan tool support if needed.

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Fast 2007 Acura MDX key replacement quote from EZ Car Keyz Oxnard CA

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2007 Acura MDX
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2007 Acura MDX Remote flip key Replacement - Fast, Affordable & Professional

At Marine Emporium Landing in Oxnard, I met a physical therapist between patients. She had her 2007 Acura MDX parked out front, hood still warm.

She texted me the VIN before I rolled out, so I already knew it took the 4 button remote head key, FCC ID N5F0602A1A, part number 35111-STX-329. Driver 2 version. Power tailgate button on the face. CR1616 inside.

Because she still had a working key, this was an add a key on a Type 6 GEN4 system. That means I can go straight through the OBD port, authenticate, and write a fresh Philips ID46 chip without erasing her existing key. No guessing cuts, no lock decoding.

I cut the laser blade in the van, then programmed the immobilizer side first. After that, I synced the remote portion to the MICU so lock, unlock, tailgate, and panic all responded. On MDX models with memory seats, the Driver 2 key ties into that profile, so we checked that as well.

Total time was just under twenty minutes. She watched the green key light go out like it should and handed me a quick nod before heading back inside.

She did not need to leave it at a dealer or wait on an ordered key. We handled it right there in the parking lot for a fraction of what they had in mind.

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2007 Acura MDX

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Reviews from drivers who got keys fast

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Winter K.

Dec 2025

★★★★★

“I lost my key and called EZ Car Keyz. Marco was great. He arrived quickly, explained everything clearly, and kept me informed throughout the entire process. The service was fast, professional, and fairly priced.”

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Kim S.

Jul 2025

★★★★★

“This is the only locksmith anyone should ever call. I am still shocked at how fast he arrived and the price was hundreds less than other quotes I received. Honest, professional, and extremely efficient.”

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Joseph C.

Apr 2024

★★★★★

“I needed two keys made for my Honda Element. Friendly, fast, fair pricing, and far better than any other locksmith I have used in the area. Best service by far.”

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Our Credentials FAQ

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Are you licensed and authorized to program Acura immobilizer keys?▼

Yes. EZ Car Keyz is licensed through the California Bureau of Security and Investigative Services and fully insured. I am also a NASTF Vehicle Security Professional, which matters on a 2007 Acura MDX because the Type 6 GEN4 immobilizer requires secure access to programming functions. This system is not a simple on board button trick. The transponder portion of your N5F0602A1A key has to be registered to the immobilizer control unit through professional diagnostic equipment. Without proper credentials and tools, that process stops before it starts.

How do I avoid scam locksmiths when replacing my MDX key?▼

Will the replacement key work exactly like my original?▼

My flip key will not stay locked open. What is going on?▼

I changed the CR1616 battery and now the remote does nothing. Why?▼

Questions? Call (805) 790-8162