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I've got bit separate question in regards to GS300h v12 battery, yet it seems to fit to this topic. I'm wondering, if *disconnecting* mentioned v12 battery for a week of time would be 'safe' for car electronics/infointanment system or could possibly cause some sort of issues? I'm aware it wouldn't be great for v12 battery itself to be disconnected for longer period of time, but I guess that, just a week shouldn't make a difference. If it would, why does sequency of disconnecting / reconnecting it has any meaning? Just curious , i.e " As long as you disconnect the old battery in the correct order (negative terminal first) and reconnect the new one correctly (positive terminal first) " Thanks

So I took it for a ride, and after approx 1hr, /20miles/ it started spinning again! 🥳 So for those, who would wonder in the future, hybrid battery cooling fan doesn't necessarily start right after switching car on, it activates when hv battery reach certain temperature. I've seen info that apparently it has 6 speeds. This might be particularly helpful for those, who would start considering fan failure/exchange. I guess it's worth checking. As to warning message "Maintenance required for hybrid battery cooling parts at your dealer" Thank you for your advice @ColinBarber will update if it will clear itself automatically after some time, so far it didn't, but cooling system wasn't put back together yet, so fan was blowing litteraly nowhere. I would guess it will dissappear once I put it back together and fan cooling will be correctly diverted via clear & unblocked now ducts. Thanks

First of all, thank you so much for detailed instructions of how to get through this procedure. I've manage to do it only because of your help. Many many thanks! I've cleaned ducts and they were nearly completely clogged (as on pictures), Now, when I'm about to put it back together, I've switched on car just to see if hybrid cooling fan is working. Unfortunately, it doesn't start spinning, however, I did some research and apparently, it might be activating only when needed (i.e when hv battery is getting hot), so I guess there is no way to check it without actually driving the car. Code/warning "maintenance required for hybrid battery cooling parts at your dealer" is also still on (as I would expect). Was trying to clear the code via obd2 wifi, but no obd app is recognising error cod/warning so can't delete it to see if it will pop up again. Wondering if you may know whether hybrid battery cooling fan should start spinning straight away after car is switched on and how to get rid of mentioned warning. Would like to check it before putting all parts back

Thank you all for your interest in the topic and replies I've actually managed to solve my issue by contacting Lexus UK headquarters directly through official website If anyone would experience similar issue that's details provided with help of Lexus UK: Alternative glass-- 70% light transmittance 68114-30740 68113-30820 68124-30570 68123-30640 64801-30926 Standard factory fit glass-- 50% light transmittance. 68114-30750 68113-30830 68124-30580 68123-30650 64801-30927 Obviously, standard factory glass is perfect fit for this car However, in my situation, I'm more than happy (!!) that Lexus UK have helped me to find less tinted / compliant glass (details within 1st post of this topic) so I could exchange it and keep (just recently bought) GS300h 16', which I am amazed by ('johnatg' was right, it is indeed exactly 1k party [for rear side and rear screen, 5 parts all together] + [500-700 labour ], yet... Most importantly... It still saved me from selling my GS 🥳 (&from downgrading to IS300h (77% tinted/light transmittance windows) just because of local authority conditions/restrictions. My problem & provided solution won't apply to any private user, because standard factory fit 50% tinted windows (on rear side) are perfectly legal and match style of this car Many thanks ✌️

I want to replace factory glass with clear one, the problem is, I cannot find any provider of such clear windows, Lexus stand is, that only factory windows are available... That is why I stated this topic in hope that someone might know of any provider which could do clear windows for this model Also wondering if anyone have ever seen GS model with clear windows in the back Thank you

Hey, I would be grateful for some advice my GS300h 16' is equipped with standard dark green rear windows & same shade dark green rear screen. Dark green shade reflects/is equivalent to apparently 50% tint. Does anyone know if there is any possibility to exchange mentioned windows for windows less tinted? Lexus UK can provide only two options for this model, both tinted What I'm looking for is pretty clear glass, such as front, allowing min 75% light transmission. That's due to local authority licence restrictions allowing up to 25 % tint (+/-2) So far I was not able to find any less tinted glasses for this car, but maybe some of you will know about some solution I. E independent provider or factory Many thanks