With a tinted rear window, headlights aren't as bright as with a normal rear window.

How do I test if my auto dipping is working? .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Last edited by Joe90 on 25th Nov 2012 8:53pm. Edited 1 time in total

Shine a torch onto the mirror sensor

Are we talking about dimming or dipping ?
Is the switch on the door pushed to the left ?

it'll be dimming...i got the same problem with my tints..kinda makes the auto dip redundent... ... - .- -.




Y. O. L. O.
.

Mine only seem to work when there isn't street lighting around, making me think it's something in the mirror that governs it (a bit like the auto lights). 
07 Supercharged - Still breaking her in!

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I mean the rear view mirror (the one fixed to the windscreen).

If there is nothing more scientific than a torch, I'll try that first.... .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

The photocell is the little round circle in the top center of the rear view mirror. A torch should do the trick. It should dim both wing mirrors and the rear view mirror. [img]http://www.fuelly.com/driver/rob2529/range-rover[img/]
04, 4.4V8, Vogue Oslo Blue with LPG.
"You can sleep in your car, BUT you can't race your house!!!!"

If something can't be fixed with a hammer....... You have yourself an electrical fault!

Can't you override it by turning the red light at the bottom of the mirror one way? Sure that's what the manual says for manual dipping.  Si. <This is my name.

I eat rat poison.

A man ain't truly been insulted until he stands buck naked in front of a woman and she didn't even notice. Or care.

It works.

1. Make sure it is dark
2. Get a suitable torch
3. Jump in the car and start up
4. Put thumb/finger over the small round sensor at the middle top of the mirror
5. Turn on torch (holding in your left hand so you can see the beam reflecting in the mirror with your eyes)
6. Shine torch at mirror so you can see the beam reflection
7. Get used to the intensity
8. remove thumb from sensor
9. If working, the intensity of the beam should gradually diminish.
10. Test again to make sure
11. Switch off car
12. Clean thumbprints from mirror  .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999