Cheers Caddyshack. I've had a good look for a lever but I think mine are too early for such advanced wizardry. TBH, if I hadn't read that part of the manual then I'd fit deflectors without a second thought.
The speed cam rule baffles me. They are there because it's a danger spot and you need to slow down. So why is a warning on the satnav illegal? Are the police looking for safety or to nick someone?
As for breathalysers ...