1995 Pontiac Bonneville
Key Replacement - Save vs Dealer in Ventura County

1995 Pontiac Bonneville MECHANICAL-KEY Replacement - Fast, Affordable & Professional

Got a call from over near the Simi Valley Cultural Arts Center. Guy had a 1995 Bonneville SE parked in the lot and no key on him. Locked out, spare at home twenty miles away, and he had somewhere to be.

I got there and checked the locks first. These H-body Bonnevilles use the GM 10-cut sidebar wafer lock, which is a design that goes back decades. No transponder, no immobilizer module to talk to, no diagnostic port work needed. Just precision cutting on a mechanical blank.

I pulled the code from the door lock, decoded it, and cut a fresh B86 key right on the van. Tried it in the door, then the ignition. Turned smooth both ways, accessory through start, no hang-ups. Then I tested the trunk lock because sometimes older GM trunk cylinders wear differently than the doors and you get a key that works everywhere but there.

Everything matched. He sat in the driver seat, started it up, and just kind of nodded like he was confirming to himself it was real.

The whole thing took maybe twenty minutes. A dealer would have wanted the car towed in and would have taken a day or more just to get the appointment scheduled. He drove away for a fraction of what that route would have cost. One visit, one key, done in the parking lot.

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