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Discussion Starter · #1 ·
Hi

My headlights have not been going off in bright sunshine on me 11 plate civic EX, although set on auto, noticed this on several journeys lately.

I know this is not a major issue as you can switch them off manually, but rang the dealer to see if there was a known issue.

After a lecture on 'the blue sky' causeing the problem, 'as it does on mercs and BMW's', they agreed to check it out, said it would only take a few mins, come at 2pm

Arrived at 2pm, at 3pm the car had still not been checked, bit annoyed so reminded the reception. An engineer came and had a word about the problem being 'the blue sky' causeing the prizm in the sensor to think its dark???, I said 'what even when the sun is shinning on it' oh yes he said, but I can do a check if you like - well might as well, Ive waisted 90mins already!!

Guess what?, the health check showed all ok but they couldnt get the lights to go out by shinning a bright light on the sensor,so IT NEEDS A NEW SENSOR and one has been ordered.

Lets hope it cures it?.......
 

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1,237 Posts
lol love it deny all knowledge until shown the fault , wasnt hard to shine a torch onto sensor to test was it.

only issue i have with having mine on auto on a dim day . a lorry drove past me and i noticed my dash lights faded meaning my head lights were on . then as soon as the lorry drove past they turned back off . i realised the lorry was blocking the daylight. if it keeps doing this with every lorry passing me my ballasts are not going to last long ,

i thought when they turned on , it stayed on like the peugeots they stay on for the driver to turn back off physically ?
 

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That's funny because my headlights have been on most of the daytime journeys I have been on recently. I'm starting to think they are far too sensitive to switching on. I may do the torch test on mine.
 

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Discussion Starter · #5 ·
That's funny because my headlights have been on most of the daytime journeys I have been on recently. I'm starting to think they are far too sensitive to switching on. I may do the torch test on mine.
think they test them with a 500w halogen??
 

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Errr.... I think your dealer has ripped you off if you have Sat Nav model... The 09+ models had a software re-write which switches on the lights if the sun is bright and at low angle (early morning or evening) behind the car allowing cars coming towards you see you better. Uses the solar angle part of the sat nav.
 

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Discussion Starter · #7 ·
Errr.... I think your dealer has ripped you off if you have Sat Nav model... The 09+ models had a software re-write which switches on the lights if the sun is bright and at low angle (early morning or evening) behind the car allowing cars coming towards you see you better. Uses the solar angle part of the sat nav.

They didnt rip me off because they cured the problem with the lights comeing on in bright daylight by replacing the sensor, it now works fine, and done under warranty!!!
 

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lol llove it deny all knowledge until shown the problem

only issue i have with my auto lights is last time a large lorry drove past me and i noticed my dash lights dimmed . i then realised that my hid headlamps turned on . as the lorry passed me my lights turned back off . this ocoured in a matter of 3 seconds.

im sure on my old car when the auto lights turned on , it stayed on . and it was up to the drivger to turn it back off. too much on./off will shoot my hid ballasts wont it ?
 

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I'm having this problem since i bought my car last year, when it is in auto the car thinks it is night the whole time :/
is it simple to change the sensor your self ? and where i can buy the sensor ?
 
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