Originally Posted by lanzafin

Hey. Had the same problem that my roof and rear spoiler wouldn't activate. Manual spoiler button would flash on/off and when trying to activate roof the windows would lower but no roof action and just beeps.
Removed cover under boot lid and there was some condensation. Dried this and sprayed WD40 but no luck. Attached jump leads as seperate power source to the barrel and spoiler operated fine. Removed cable attachment (small square area at 4pm) as shown on pic and then s

mall part of this broke off. Couldn't get it to attach again and in my frustration connected it again thinking I'd knackered it. Surprisingly both the rear spoiler and hood now work perfectly and have done so after several tests. No idea why so can't really provide a practical reason why both now work. I'm just happy they do. Maybe you can try the same thing. Seems to me there is nothing to lose.