Keyless Entry Transmitter: Description and Operation

The remote keyless entry system transmitter is equipped with two buttons labeled Lock and Unlock. It is also equipped with a key ring and is designed to serve as a key fob. Each transmitter has a different vehicle access code, which must be programmed into the memory of the receiver in the vehicle in order to operate the remote keyless entry system. The operation range of the transmitter is up to 7 meters (23 feet) from the receiver.

The transmitter operates on two Duracell DL2016 or equivalent batteries. Typical battery life is from one to two years.