2011 Acura ZDX
Key Replacement - Save vs Dealer in Ventura County
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2011 Acura ZDX
Key Options
Dealer-grade key for a fair, honest price
Your Driveway vs Their Lobby
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2011 Acura ZDX Smart Key Replacement - Fast, Affordable & Professional
Over near Silverstrand Beach in Oxnard, a woman flagged me down on a callback. Her 2011 Acura ZDX had been giving her problems for weeks. The smart key would work from inches away but not from her pocket, so she'd stand at the driver door mashing the handle button with the fob pressed against the glass.
She thought the car was dying. The dealer told her they'd need to run diagnostics and possibly replace the keyless access control unit, part number 72146-TK4-A71. That's the receiver module behind the dash. They quoted her a wait for the part and a full day in the shop.
I popped the smart key open on her hood. The CR2032 was original, five years old, voltage sitting at 2.4V. Below the threshold where the passive HITAG 2 handshake works reliably at normal range. Swapped in a fresh CR2032, checked the contact spring in the fob housing, and closed it up.
Then I walked every door handle, tested lock and unlock on all four buttons, checked the hatch release, and hit the start button from different seat positions. Full signal, every time.
She watched me go through the whole loop and kept reaching for the handle like she expected it to ignore her again. It didn't.
No control unit. No dealer visit. No lost Saturday. Just a battery that had quietly given up after half a decade.
Save vs the Dealer on Your Acura ZDX Key
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Acura ZDX Rapid Response, Done Right
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Mobile Service, Five-Star Results
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“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
“My Sprinter van key broke and I was stranded. Marco was very friendly and helped me get three new keys quickly. I will definitely be using them again.”
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