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Home >> Cadillac >> 2007 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Description and Operation >> Keyless Entry System Description and Operation >> Keyless Entry Door Antennas
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Keyless Entry Door Antennas

The keyless entry door antennas are used to transmit and receive radio frequency (RF) communications with the keyless entry transmitters.

The keyless entry door antennas are molded into the vehicles front left and front right exterior door handles. The antennas are serviced as part of the door handle assembly. The antennas are controlled by the remote control door lock receiver (RCDLR). When the exterior door handle is operated, the respective antennas sends out sends out a challenge to the keyless entry transmitter which begins the passive entry communications.