hi, i had a similar prob on the rover i had a few years back, turned out to be the interior light switch on the drivers side rear door, so it may be something simple like that, mine used to go off in the middle of the night :o)
tommy
April 2008
I can answer this question...
the alarm on my vauxhall astra keeps goin off on its own?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.