Right, took the car to Solihull this morning for them to rebalance the wheels and sort out this vagueness in the steering. I also mentioned that the car on AP on the motorway doesn't sit in the middle of the lane but to the LHS....
I took one of their Highlands out for a quick test drive to see if it was just me / 2 cars or mine was a duffer. Their Highland felt completely normal.
Got my car back with this summary of the work done:
Carried out wheel alignment and adjusted the front camber and
toe as well as the rear camber and toe, specs were slightly out
of tolerance but are now within spec. Carried out a rebalance
of all 4 wheels. Carried out a road test and confirmed the
vehicle drives as intended
On the hour long drive home it felt a lot, lot better but I'll need to do some more miles to confirm it's fully acceptable.
As to the cars positioning in the lane - the tech said that might be to do with the alignment issues but to report further...
HTH someone,
Nic