Talk:Twilight Sentinel

'Cadillac later referred to its automatic dimming system as "Guidematic Headlamp Control" which encompassed Twilight Sentinel and Dimming Sentinel controls.'

This statement is incorrect. While Guide-Matic Headlamp Control was the name later applied to the auto dimming feature, it was always a separate and distinct feature from Twilight Sentinel; they were never combined into one option as Ford Motor Company did with its Headlamp Convenience Group. As Twilight Sentinel became ubiquitous before becomming a standard feature, Guide-Matic became more rare before being discontinued in the late 80s. Mhrogers (talk) 20:39, 30 December 2010 (UTC)[reply]

'Chrysler offered an automatic headlamp control system in the 1960's called "Sentinel" lights; then discontinued the option after its large cars were redesigned for the 1969 model year.'

Chrysler called their Twilight Sentinel variant "Safeguard Sentinel". According to sources I've seen, it was available (at least on Imperial) through the 1975 model year. Mhrogers (talk) 21:17, 30 December 2010 (UTC)[reply]

The owner's manual of my mother's 1992 Chrysler Fifth Avenue refers to a very similar automatic headlight control system as the "Ultralight Headlight Control". All controls are mounted on the rear-view mirror, and her car is so equipped. This system allows the driver to control the level of darkness when the lights are activated as well as the delay that the headlights remain on after the ignition switch is turned off. Bill S. (talk) 15:38, 19 June 2011 (UTC)[reply]