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Sorted! In the interest of completion for any future searches (a lot of threads I found had no conclusion), the issue turned out to be knackered dizzy caps. This also took out one of the coils so they've been replaced too. Happy man!

Really sorry to hear that & I hope you have a speedy recovery so u can return in the future👍🏻

I leave my keys by the front door, if they are that keen to have my car and break in, I would rather they do that without disturbing me and the missus

There’s always another car Tim at another time. hope you get your health back on track. best wishes, matt

Five months and 4,000 plus miles later and this car exceeds my expectation of a Lexus. I thought I'd owned most of the cars I ever wanted excepting a Bentley and Lexus was last on my bucket list apart from the big beast. Wow, did I leave the best to last? Amazing motor, fuel consumption much less than the three litre diesels, performance to manage any road condition through a terrific transmission setup. The seats are the best ever, Toyota was my previous best so no surprise with the Lexus. Better than any of the Mercs, Jags or BMW's by far.

@Tfp Tim I know we’ve had the long chats about it the very best of luck for your undoubted recovery take very good care of yourself. Just as soon as your ready we’ll find you that GsF 👍 Paul

Trouble with only one axle having winter tyres is that one axle will always be the wrong one for a given scenario.

Personally I would never mix tyres. Just don't belief it's safe.

All I do is place my key in a Faraday cage. The spare is switched off. The driveway is gravel and the dog hungry....

Did the fitting garage register the new valve transmitters on the car? If you don't get this done then the orange light will come on after about 10 minutes driving and remain on.

I just wouldn't. Some say the two best tyres need to be on the back, not on the front etc... But to never mix All Season/Winter, with Summer tyres. And if you had to make an insurance claim and it was found with mixed tyres... who knows?

Same ^^^ Probably xx% of the time you'd be fine but that one time you need grip to all 4 tyres your 50+ grand car is just going to let go. And I'm not just talking about sending power to whichever wheel, I'm talking about the back end possibly just losing it on a corner for example. You don't drive everywhere in a straight line.

IS300H comes with an AWD variant in Japan only..

Yes, it's got one of those "sold as seen, sold as scrap" lines in it which, AFAIK, doesn't protect them. It was clearly sold as a going concern... Why else would it come with AA membership? I don't want to have to jump through hoops, what I want is for the car to be sorted without costing an arm and a leg.

Thanks for info Killysprint, any twellsie , seems like any premium brand is very similar overall in performance. And Phoenicks try https://www.mytyres.co.uk/ or https://www.oponeo.co.uk more choice and same brand front and back. hope that helps!

Thanks for all your replies. I will stick to using the seat memory buttons on my 2006 rx400h, and dream of an rx450 in the future.

Dear all, I did it. I have Lexus IS 250, 2008. Rear calipers were totaly seized. I tried to use different oils, lubricants, break fluid, small hammer, big hammer... Only what can help you is heating. Electrical heating gun is to weak. You need oxygen-acetylene burner and gently hammering in correct place and direction.

Had a pair of Super Sport fronts fitted at Lexus while it was in for service £397 in total, don't know if there is any advantage with the PS4S, to be honest the Super Sports work well for me, I find the wet weather grip is very good.

Usually the problem is with seized slide pins. I never quite understand why front calipers need to be replaced for this - you can virtually always get the pins out because they have hexagons and are in 'open' holes. Once the pin is out you can clean everything up and if necessary replace the pins and dust seals. The rears are different - one of the pins goes in a blind hole. This can seize - often the caliper can be worked off, but sometimes it is just impossible to remove the caliper from the pin without damage. If you can separate the caliper from the pins, the caliper at least can be saved. Sometimes of course it is possible for the piston to seize in the caliper - then you can rebuild the caliper but it's a lot of work and may not be worthwhile. As long as the caliper is undamaged you can exchange at much lower cost than new ones (but check with Lexus, especially for the rears - sometimes they have special offers). But you always need to get the caliper off the mounts if you get exchange calipers - they don't come with mounts! Speaking from personal experience - I damaged a caliper trying to get it off the mount. In the end, I cut it off (by cutting through the pin with an angle grinder) - probably should have done that right away, then exchanged the caliper - the rebuild people accept ones with pins etc stuck in them, but not if you've damaged the caliper by hammering it (!) or tried to drill out a seized bleed screw. To avoid all this grief, remove the calipers from the pins on a regular (annual?) basis and clean and grease the pins and holes they slide in! This is not included in Lexus service schedules - it should be.

For health reasons I've had to sell the RCF. If anyone wants info on my car LO16 RZY then feel free to drop me a line, or BIGRAT knows the car quite well also. I may be back, loved the short ownership of the car, and this forum. Tim