operational keys in order to program a third new key without going to the dealer, Yu says. The inside of a Chevy key fob swapped into this aftermarket shell: Battery (left), circuitry (middle), uncut ...

[Fileark] has instructions for reprogramming keyless entry devices for your car. His demonstration video, which you can see after the break, shows how to make one key fob work for two different ...

The fob for your Chevrolet should work for years, but eventually, the battery will need replacing. When you look at the fob, ...