Auto Lights

[Breengin]

Has anyone else had weird experience with the Auto Lights? My headlights seem to be on all the time regardless of whether its night time or bright sunshine at mid-day. I was under the impression that the DRL's would be the only lights to come on during the day and the dipped lights would come on when light dropped below a certain level, thats the way they work on my sons Renault. I'm sure they worked fine when i got the car. I noticed that the satnav display is also linked to them as it seems to be running constant in night mode, this isn't a problem really as i thing it looks nicer that way anyway.

Might sound daft but have you checked that your windscreen is not dirty (i.e. where the sensor is)?

First thing i thought of, so gave the window a good wash. Still the same. Just in case i'm getting this wrong heres what I have in my head as to how these Auto Lights should work.

Engine Running in all cases. My Astra is 2011 model on a 60 plate (Jan 31st 2011 to be precise)

Auto Off - All lights off during the day including DRL, manual activation when dark.
Auto On - Only DRL on during daylight hours. No tail lights, nu,ber plate lights or dipped beam
Auto On - All lights on, DRL (side), dipped, Number plate and tail lights when light levels fall below a certain brightness
Manual - Speaks for itself really.

The only thing i have done recent was set my CD500 display to alway show Night settings. Wonder if that affects the DRL setting as well. Need to go change it and shine a bright torch on the sensor to see