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Code hopping
The receiver and transmitters each use mathematical formulas
called al go rithms to change their codes each time the transmit-
ter is used. This technology has been developed to increase the
security of the unit. The control unit knows what the next codes
should be. This helps to keep the transmitter “in sync” with the
control unit even if you use the remote control out of range of the
vehicle. However, if the transmitter has been pressed many times
out of range of the vehicle, or if the battery has been removed,
it may get out of sync with the control unit and fail to operate the
system.
To re-sync the remote control press
of the transmitter several
times within range of the vehicle. The alarm will au to mat i cal ly re-
sync and respond to the trans mit ters nor mal ly.