How do you switch the AWS on? I’ve read there is a switch / lever in the drivers footwell? But after extensive looking I can’t find it.
Not in the footwell, but at floor level on the side of the front-facing driver's desk. Two levers, pull both to activate AWS.
The red one on the left isolates the AWS the grey one on the right selects which end As Ghostface1701 says this is at the front facing end of the cab where the front is the end with the smaller windows and the big engine block outside