S80 alarm keeps triggering

change out the two sensors...one for in-side, one for out- side...it takes the dealer 5 min to swap them out...they cost arouns $159US (for both)...

Before spending any money, squirt some fly killer into the car and leave it closed for half an hour. Random activations plagued me for weeks, until I found a moth had taken up residence in the car, first seen when its corpse dropped onto the drivers seat after taking the above course of action!

Good luck

Nick

just had new sensor in the roof installed last year, where is the outside sensor located?

any luck yet