Keyless Entry Transmitter: Description and Operation
SYSTEM OPERATIONThe Remote Keyless Entry (RKE) 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. The operating range of the transmitter radio signal is up to 7 meters (23 feet) from the RKE receiver.
Each transmitter has a different vehicle access code, which must be programmed into the memory of the RKE module in the vehicle in order to operate the RKE system. Refer to the service procedure for Remote Keyless Entry Transmitter Programming.
The transmitter operates on two Duracell DL2016 (or equivalent) batteries. Typical battery life is from one to two years. The transmitter cannot be repaired and, if faulty or damaged, it must be replaced.