Have you checked fuses?down near the accellerator pedal!I bought a lexus GS from an auction!!Lovely car,drove like new.Mid-winter it was!set off fromBlackburn,freezin!no heater no music!it had the standard CD radio system ect!To cut a long story short!Went home thawed out!put batteries in the torch and checked every single fuse under the bonnet!No broken fuses,scratched me head thinkin that the car was going to become a bit of a loss,Opened the service history and the handbook was there!With a mention of extra fuse box near the go faster pedal!found a burnt out fuse popped another one in GS music system came on full blast,big lump on my head where it hit the steering wheel with the shock job !!done!!..what a place to put a small fuse box!!zzzzzzzzzzzzz!