RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Dashboard lights don’t go dim when headlights are on

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Old 12-29-22, 07:48 PM
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spins06
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Default Dashboard lights don’t go dim when headlights are on

I noticed sometimes my dashboard lights don’t go dim when I turn on headlights. Do you know why that can happen?

Lexus RX 3500
2007

Old 12-30-22, 03:39 AM
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Margate330
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Originally Posted by spins06
I noticed sometimes my dashboard lights don’t go dim when I turn on headlights. Do you know why that can happen?

Lexus RX 3500
2007
Hi spins06, I think we have a dimmer switch for the dash lights and when turned all the way CW it does what you are describing.
I'm not 100% sure on this so I'lll have to go out to the car and check for you later unless someone knows.
Old 12-30-22, 07:41 AM
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01LEXPL
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Turn the dial back one click...
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Margate330 (12-31-22)
Old 12-30-22, 09:53 AM
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spins06
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Originally Posted by Margate330
Hi spins06, I think we have a dimmer switch for the dash lights and when turned all the way CW it does what you are describing.
I'm not 100% sure on this so I'lll have to go out to the car and check for you later unless someone knows.
Hi, the dimmer is not turned on all the way, but dashboard lights are still very bright.
Old 12-30-22, 09:55 AM
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spins06
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Originally Posted by 01LEXPL
Turn the dial back one click...
It was already turned off, I know about that switch.
Old 12-31-22, 03:06 AM
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Margate330
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Originally Posted by spins06
It was already turned off, I know about that switch.
Cool deal, what happens when you adjust that dial switch?
With headlights on and headlights off.
In detail plz.
Old 12-31-22, 09:41 AM
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spins06
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Originally Posted by Margate330
Cool deal, what happens when you adjust that dial switch?
With headlights on and headlights off.
In detail plz.
When headlights are off the switch works as expected. But when headlines are on sometimes dash lights are very bright when dimmer switch is on the very right position but before that click, when you turn dimmer more to pass that click the dash lights remain very bright. So sometimes when headlights are on I have to turn dimmer down a lot to adjust dash lights.


Last edited by spins06; 12-31-22 at 11:55 AM.
Old 11-08-23, 08:34 PM
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