The base models are often front wheel drive only.
Not sure if your V5 document will tell you. Worth a look.
I was going to suggest looking under the rear of the car but not sure how easy it is to tell.
Welcome π
I am first time Lexus and hybrid too. I went into Lexus to order a black NX but saw the Sonic Titanium in the showroom and changed my mind. Lovely colour and much easier to keep clean than black.
Best option would be to connect an optimate battery charger.
If this is not possible not sure if a similar solar powered charger would work.
Good luck π
Probably a good idea to replace them after 10 years. I'm not sure if the detectors might deteriorate but they will get covered in dust etc..
I better check mine π
I would make sure everything is clean with no obstructions.
As said, I would try some lubricant too.
If that doesn't work hopefully Lexus will sort it. Good luck π