2007 Pontiac Grand Prix
Key Replacement - Save vs Dealer in San Diego

2007 Pontiac Grand Prix Transponder Key Replacement - Fast, Affordable & Professional

Out in Otay Mesa West, near the commercial strip on Otay Mesa Road, I got a call from a guy who'd been staring at his 2007 Grand Prix for two days. He'd had a spare key made at a hardware store after losing his original. The car would crank, run for a second, then die. He thought something was wrong with the engine.

It wasn't. The hardware store cut the blade fine. They just couldn't program the chip inside it, because they didn't have the tools. His car was doing exactly what it was designed to do: recognize an unregistered key and shut the fuel system down.

I pulled up, decoded his door lock to confirm the key cut, trimmed a fresh key blade on the portable machine to double-check the cut was clean, then connected to the OBD port and enrolled the new key to the car's immobilizer. The procedure has a built-in wait period -- you just sit with it. He kept asking if something was wrong. I told him it was just counting down. When it finished, the key fired the car right up and held.

He'd already paid the hardware store and lost two days to this. The dealer quote he got in between was steep and required a tow. He paid me a fraction of that, from his own driveway, and drove to work that afternoon.

The one human moment: when the car stayed running, he sat there with the door open just listening to the idle like he needed to hear it for a few seconds before he believed it.

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