2006 Hyundai Tucson
Key Replacement - Save vs Dealer in San Diego

2006 Hyundai Tucson Remote Replacement - Fast, Affordable & Professional

There is a neighborhood in Escondido called Bear Valley that sits far enough from the main commercial strip that most mobile services do not bother covering it well. I do not have that problem. I go where the job is.

A guy there had a 2006 Hyundai Tucson and a fob that had been acting up for a while. The lock button worked maybe half the time. The trunk release had stopped responding completely. He had already swapped the CR2032 battery himself, which was the right first move, but the behavior stayed the same after the fresh battery.

When I got there, he was using the key blade to lock the car manually every time. He had been doing that for weeks.

I checked the fob internals. The battery contacts had a thin layer of corrosion on them, the kind that builds up quietly and does not wipe off with a finger. Cleaned the contacts, seated a new CR2032, and tested every button. The lock and unlock came back clean. The trunk release, though, stayed dead.

That pointed to a worn button pad on that specific contact, not a battery issue and not a programming issue. He needed a replacement fob with the correct factory FCC ID already on the label, cut to his key blade profile, and programmed to the car.

I programmed the new fob on site. Tested range from across the driveway, walked every button, and did three clean start cycles to confirm the transponder side was still reading correctly. Total time at his car was under 30 minutes.

He mentioned the dealer had quoted him a wait of a few days just to order the part. He had not even asked about labor yet. This was done in his driveway the same morning he called.

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