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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Theft Deterrent System) >> Description and Operation >> Content Theft Deterrent (CTD) Description and Operation >> CTD Circuit Description >> Driver Door Key Switch

Driver Door Key Switch

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The driver door key switch is an integral part of the driver door lock cylinder and provides a discrete input to the BCM. The BCM utilizes each this input to disarm the CTD system. Inserting a key and turning to the UNLOCK position will disarm the CTD system.

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