Remove the glove box, and the panal behind that, and its behind there. (plenty of screws) To remove the glovebox you pop out some little lugs that go in the bottom of the glovebox, where it hinges.
Remove the glove box, it fits behind there.
Did you check behind the glove vcompartment as in other models?
change a pollen filter
No year and no specific model Nissan, so an answer is impossible to provide.
how do you change the pollen filter and which way up does it go on a MERCEDES VITO 2.2CDI 2000 MODEL
There is no pollen filter on any sunbird the oldest GM product to get one is a 1993 Cadillac
HONDA PILOT .ORG - Changing out the cabin (dust/pollen) filter HONDA PILOT .ORG - Changing out the cabin (dust/pollen) filter
GOOD LUCK
Try this site for help with most European cabin air filter locations and diagrams for removal and replacemnt of these pollen filters http://www.nahradnediely.sk/down/pdf/Catalogo_CLEAN_CABIN.pdf
It is located behind the centre console. Go to www.puravent.com and enter your vehicle details (Nissan Micra K12) and the fitting instructions will be shown.
4 parking sensors on the back
It doesn't have one.