IS300H Rear windscreen

[cadman2k]

Is there an easy way to clean the inside of the back rear windscreen on the IS300H? 

I have noticed a few marks inside and some dust/build up on the rear shelf where it comes close to the window. Just wondering if there's an easy way to clean window/hoover dust with the car having a boot rather than a hatch. 

Thanks in advance

 

[200h]

i used to remove the 3 head rests to give a little more access

 

[paulrnx]

Just clean it

[Rabbers]

Plain lukewarm water, dry immediately with a cotton, not microfibre, cloth.  If you have difficulty in reaching corners buy an extendable “reach and clean” tool such as Invisible Glass.