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99 Deville Outside Door lock


bschelle

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The security system is set when you lock the doors with the electric door locks or the fob. If you unlock a door with the mechanical lever (not the electric unlock) it doesn't turn off security. Using a key in the driver's door should turn off the security. If you open a car door with the security on, it will set off the alarm.

It sounds like an electrical problem with the driver's door. Post the OBD II codes and maybe that will tell the tale.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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