alarm off

Hi My A2 TDI alarm keeps going off when parked in the sun, in the shade its OK, turning off the interior sensor does help but when that is activated it still goes off but not as frequent. Can anyone advise what the problem may be? Thanks David

hey guys, whats up been here a few times kinda like these forums.....right iv been haing a few problems thought id bump into someone who might have a few tips....i got an a2 1.4 se and its been fine ever since i bought it about 6 months ago....but last night for the first time the alarm light...