I have been informed by Tezza that all mk2.5's can have cruise control retrofitted my question is if i buy the switches can i add them straight onto my 4 spoke steering wheel and also how hard would it be to wire up, is it a case of the wires are taped up somewhere behind the steering column or will i need a new wiring loom if anyone has done this before or knows anything about it please let me know as i would really appreciate it