T6: square plastic bit between windscreen vents - what is it?
- Thread starter RobFlynn
- Start date
On the dash? Usually the sun sensor for the climate control I think?
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Like this on mine?
Looks like this on mine, with climate.
What's it used for? Would have thought it would have been used for activation of the lights, rather than anything to do with climate control?
What's it used for? Would have thought it would have been used for activation of the lights, rather than anything to do with climate control?
It's definitely plastic but the sensor behind it is only really visible in direct sunlight.
Sun sensors are used by climate control systems. When you set it to something like 20.0c it doesn't really control to that temperature instead it controls to what people feel that temperature should be.
If it's sunny you'll feel warmer from the sunlight so generally the Aircon will aim to cool the cabin a bit more than it would at the same setting on a cloudy day.
Think if it another way, the sun heats you up directly like those radiant heaters outside pubs and cafes without heating the air. Same happens in the vehicle so if the climate control only used the air temperature it would miss the fact you are also being heated by the sun, hence the sun sensor.
If it's sunny you'll feel warmer from the sunlight so generally the Aircon will aim to cool the cabin a bit more than it would at the same setting on a cloudy day.
Think if it another way, the sun heats you up directly like those radiant heaters outside pubs and cafes without heating the air. Same happens in the vehicle so if the climate control only used the air temperature it would miss the fact you are also being heated by the sun, hence the sun sensor.
