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

2008 RX 400h won’t start unless headlights are off

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Old 05-03-23, 07:59 AM
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JK2008RX
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Default 2008 RX 400h won’t start unless headlights are off

My lights have always been set to Auto. Another driver changed the headlight settings and now the car won’t start unless the lights are set to Off. I’ve also tried with the fog lights on and off and the problem persists. I’d really like to go back to Auto and not need to turn the lights off every time I start the car. A forum and Google search haven’t helped. Has anyone else run in to this problem?
Old 05-03-23, 08:23 AM
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visit car electrician
Old 05-03-23, 10:02 AM
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Margate330
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Originally Posted by JK2008RX
My lights have always been set to Auto. Another driver changed the headlight settings and now the car won’t start unless the lights are set to Off. I’ve also tried with the fog lights on and off and the problem persists. I’d really like to go back to Auto and not need to turn the lights off every time I start the car. A forum and Google search haven’t helped. Has anyone else run in to this problem?
Welcome to Club Lexus and your 1st Post!

When you say, "car wont start unless...:, are you saying it won't go from Hybrid to gas engine or are you saying car won't do anything at all.

Last edited by Margate330; 05-03-23 at 10:16 AM.
Old 05-03-23, 10:17 AM
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JK2008RX
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All (or most) of the dash lights are on, including warning lights but cannot shift into reverse to leave the garage. The gasoline engine won't start even if I turn the heat to max which usually will cause it to kick on.
Old 05-03-23, 10:41 AM
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Can you see "READY"?
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