Window winder switch intermittant?

Hi, my driver's side window sometimes refuses to go down, when it works it seems normal enough. There is no sound at all when it refuses to go, so likely not the mechanism itself. How would I get at the switch to apply some cleaner, or any other ideas? (I'd hate it to get stuck down!) Oh, and I can't seem to identify the winder winder fuse fuse. Thanks.
 
G'day!
"sometimes refuses to go down, when it works it seems normal enough".
My guess oxidation in connectors or worn out switch.
Take switch panel off from door panel. And clean connector and add dob of dielectric grease to connector pins.
If cleaning doesn't help, replace the swtich.
Nissan Micra Door Panel Removal 2:31
 
Thanks for that, appreciate it.
Ok, I opened the arm rest, held in with clips only, detached the switch module and gave the switches themselves a good spray of cleaner. sprayed the connector pins too, though they seemed clean. I reassembled everything and (phew) the winders worked. I hope the intermittency has gone away, we shall see. I gave the runners a wipe with rubber treatment while I was at it.
 
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