that happend to me years ago on my mums astra hers was e313 awf in light green othere astra was e314 awf same couler car lookt ideitcal in every way bar stufft toys on dash and back window lol 1 day i wasnet paying much attion came up 2 car unlockt it went 2 turn on tape deck would not turn on was baffeld for few mins till i lookt at dash board and rear shelf and then thought wtf where are all the stuff toys lookt 2 my left there was mums astra , thought shit whos car am in swiftly got out lookt at reg had wee laught and got in mums car and left rather fast lol
btw years ago in my missspent youth we usedt to go out late at night and open random cars with diff keys best key was mark2 cavalier car fitted most car locks ie polo/astra/panda/cavalier

saved smashing windows and causeing damage to cars
i am luck as there hardly any dark green saloon cavaliers kicking about killmarnock the now and 1 of my mates cavalier hatchbaclks got killied last night
and that was after me and him fixing it on road 2hours then daft bint in freanch hit hit him head on
and my key opend his door as well
