No niall . ,no need for it to warm up , it drives perfectly from cold , and yes have had an auto for a few years now , I have had
this gs300 for 15 months now and has been faultless which is more than can be said for the 330i bmw it replaced , the lexus is bulletproof . things to look out for in my opinion are just service items the rest of the car is so well built and I am sure you will not regret it.