LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

LS 400 beeping sound

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Old 01-13-11, 10:15 AM
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jerryparks
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Default LS 400 beeping sound

Car started a higher level beeping sound when I turn off the car. No warning lights or other unusual observation noticed. ( '92 LS 400) Any ideas where this is coming from? Thanks!
Old 01-13-11, 11:57 AM
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billydpowe
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On one of my older LS's, there was a little box behind the grille that made a sound for several minutes after stopping. It never hurt anything so I forgot it. it went with the trade...
Old 01-13-11, 01:02 PM
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steve2006
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There is a chime which sounds if the keys are still in the ignition and the drivers door is opened
Old 01-13-11, 03:21 PM
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deanshark
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If it is when you open drivers door w/o key in ignition it could be your sunroof is tilted a bit. Check to see if it's closed, ya might have tapped the button somehow by mistake.
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Old 01-13-11, 03:25 PM
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JimsGX
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Originally Posted by deanshark
If it is when you open drivers door w/o key in ignition it could be your sunroof is tilted a bit. Check to see if it's closed, ya might have tapped the button somehow by mistake.
I agree, sunroof is partially open
Old 01-13-11, 08:32 PM
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trukn1
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+2 on the sunroof.
Old 01-13-11, 09:31 PM
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sam12345
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yes but the sunroof is open in the tilt position not the slide position
Old 01-14-11, 02:04 AM
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PureDrifter
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is it closed? no?
then it's still open

lol.
Old 01-14-11, 12:30 PM
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jerryparks
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I have never opened the sun roof since I purchased the car. I doubt this is the problem. Thanks for the suggestions though.
Old 01-14-11, 12:59 PM
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MicahBerry
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While you might not have opened the sunroof using the button inside, on my 99, pressing and holding the "unlock" button on the key fob will roll the windows down and sunroof open. Might be worth checking by hitting the slide button to the close position just to make sure it's fully latched. I don't know if a 92 had the ability to roll down the windows and open the roof from the fob, though...
Old 01-14-11, 01:06 PM
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67rivdog
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Originally Posted by jerryparks
I have never opened the sun roof since I purchased the car. I doubt this is the problem. Thanks for the suggestions though.
I thought the same thing on my car. I never use the sunroof.

Somehow the button got nudged a bit and caused a similar alarm to sound when the car is shut off. The sunroof itself looked completely closed. It couldn't hurt to double check.
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