2017 Audi A3
Key Replacement - Save vs Dealer in San Diego
BSIS Licensed | NASTF Certified

With over 1,000 verified Google reviews and every major industry certification, EZ Car Keyz is the locksmith trusted by families, businesses, and fleet managers throughout the area.

Licensed and insured, plus savings
2017 Audi A3
Key Options
Dealer-grade key for a fair, honest price
Certified Mobile vs Dealer Service
See why 1,000+ customers trust us over the dealership
2017 Audi A3 Remote Flip Key Replacement - Fast, Affordable & Professional
When a 2017 Audi A3 key is done wrong, it does not just partially work. It fails. The engine might crank but the immobilizer kills fuel injection after two seconds. The remote might lock but not unlock. The comfort access might detect the fob one day and ignore it the next. Or the key programs initially but the car rejects it after a drive cycle.
A veterinary technician at the dog grooming shop in El Cajon had a key made by another locksmith for her A3 that stopped working after about a week. It would start the car fine in the morning, then by evening the push-to-start refused to detect it. She thought the car had an antenna problem.
The previous locksmith had used a generic transponder chip that was close to the Megamos spec but not exact. On Audi's immobilizer system, a close-but-wrong chip can pass initial registration but fail after the car runs its deeper verification over multiple drive cycles. I used my VVDI2 to read the chip in her bad key, confirmed the data was wrong, and programmed a new key with the correct Megamos generation matched to her FCC ID NBGFS12A71. Her fob also had a low CR2032 battery making the intermittent detection worse.
The replacement has been working since. Her cost was $291. The dealer would have charged $531. The difference between a key that works and one that works for a week is chip accuracy.
Save vs the Dealer on Your Audi A3 Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Audi A3 Rapid Response, Done Right
Rapid response in the field
Trusted by 1,000+ Audi Drivers
Rated 5.0 on Google and Yelp
“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”
“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”
“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”
Audi A3 Key Service Areas
Certified service across the region

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