The motor is under the A/C filter. Its under the bonnet. You have to unscrew the big screws holding the huge plastic thing just next to the wipers. Take the whole thing off, unplug the 2 RED/GREEN vacum element and you will see the air filter. Take the filter out and the motor as well as the regulator will be exposed.

As for the controller, its the in-car buttons right? Remove the wood trim, remove the radio using keys and u will see all screws required. You have to remove the radio first, ashtray, the little wood trim ashtray cover, then 2 screws under the ashtray than gear box wood trim, then the other wood trim.