So, 6+ years later, the first issue arises with the IS300h. Ours is a 63 plate, so one of the early ones
Admittedly, one that I diagnosed before the car was even started by the way the door mirrors opened.
Yep, you guessed it, duff battery. AA man recharged and car is fine. It was left for 2 weeks as we were on holiday. A relatively simple and cheap fix so Im very pleased to be perfectly honest.