Question about 1999 Cadillac DeVille

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Under the light switch knob, there is a sliding switch. Moving it to off will make the lights turn off as soon as you push the knob in. Anywhere else the slider is set will make the lights stay on for a variable period of time, depending on where the switch is set. I leave mine just to the right of off. That way, the headlights turn on and off automatically. You don't pull the knob out in this position....check your owner's manual for the twilight feature.

Posted on Dec 23, 2008

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1 Answer

Headlights won't turn off

turn off the twilight sentinel

Jan 12, 2014 | 1999 Cadillac DeVille

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2001 cadillac deville dts..wont start

Check your fuse box for broken fuses. Otherwise, disconnect your negative battery terminal for maybe thirty minutes, reconnect and see if warning lights stay on. It could also be a pre-set maintenance reminder to force consumers to get dealer service which would be 'reset' by disconnecting a relay.

Jun 21, 2013 | 2001 Cadillac DeVille DTS

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Brake lights

No, not that switch, but the brake light switch on the brake pedal. It may just need adjusting to turn off when brake pedal is not pressed.
The neutral safety switch is in your starting circuit to keep car from starting when not in park or neutral.

May 29, 2012 | 1999 Cadillac DeVille

1 Answer

How to turn off automatic lights when door is open in a 1994 cadillac deville?

remove the fuse for the interior lights, or disconnect the switch( at the door jamb)

Mar 13, 2012 | 1994 Cadillac DeVille

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On a 2001 cadillac deville: interior lights stay on

Must have a short somewhere or body control module may be defective.

Jun 02, 2010 | 2001 Cadillac DeVille

1 Answer

Lights will not turn off

My friend has just installed new rotors and brake shoes on the rear of my 99 deville. The service stability system light flashes on and off and dings, as it flashes. Also, the traction control light is on at the top of the dash. How do I go about cancelling these anoying lights out on my dash??!! Please, somebody help me.

Eric D.

Jun 11, 2008 | 1999 Cadillac DeVille

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