FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Security Lamp/Indicator: Description and Operation

The security indicator is controlled by the theft deterrent module. The module will turn the SECURITY lamp on for about five seconds during engine start-up for a bulb check. A solid (not flashing) SECURITY indicator is illuminated if the theft deterrent module enters shut down mode thus preventing the vehicle from starting.