Pull the lever toward you and hold it to spray washer fluid.

NOTE
If the windshield washer is turned on when the windshield wipers are not operating, the windshield wipers operate a few times.
If the washer does not work, inspect the fluid level. If the fluid level is normal, consult an Authorized Mazda Dealer.
Windshield Wipers
Rear Window DefoggerMazda 6 Owners Manual: Picture Quality Adjustment
WARNING
Always adjust the picture quality of the rear view monitor while the vehicle
is stopped: Do not adjust the picture quality of the rear view monitor while
driving the vehicle. Adjusting the picture quality of the rear view monitor such
as brightness, contrast, color, and tint while dri ...
Mazda 6 Owners Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...