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Home >> Cadillac >> 1999 >> Catera >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry Systems >> Description >> First Design

First Design

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With this system, transmitter sends signals to Remote Control Door Lock Receiver (RCDLR). RCDLR is installed in trunk on left side. The RCDLR then sends signals to the Body Control Module (BCM) along the class 2 serial data line to command BCM to lock/unlock doors, open trunk or open fuel filler door.