I might have missed it but nothing on there about only checking tyre pressures when the tyres are cold? Ideally before the car is driven anywhere, so one would really need a pressure gauge at home, not everyone has a garage compressor at home!
Guessing the screen are plexi-glass, so this must be a contender?
http://www.plexusplasticcleaner.com/about.html
I read somewhere that some teams use Stoners
https://www.cleanyourcar.co.uk/stoner-invisible-glass
I'd say yes.
Get the annual health check don't and the batteries are guaranteed to 15yrs
https://www.lexus.co.uk/owners/servicing-and-maintenance/hybrid-health-check/#health-check
Maybe be of interest, not from the UK but does list different levels of cover from LEC policies?
https://www.lexusfinancial.com/us/en/vehicle_protection_plan/vehicle_service_agreements.html
Well, it's what Lexus put in all their new cars! It's what they will top up the system with at service time. I have no complaints, never frozen up on me. Costs me about £6 a year