How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...
Motor1.com on MSN
Your car's key fob has more range than you think
Your key fob may work from far away, but a few things can kill its range.
Motoring Chronicle on MSN
How to replace a car key fob battery (and what a garage charges)
Swapping a Key Fob Battery Takes a Few Minutes and Costs Far Less Than a New Key You can replace a key fob battery yourself in a few minutes with a small screwdriver and a coin cell that costs a few ...
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