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: Instrument cluster removal/installation
Caution
When replacing the instrument cluster, the configuration procedure must be
performed before removing the instrument cluster. If the configuration procedure
is not performed before removing the instrument cluster, it is possible that the
instrument cluster will not operate normally. ...
Mazda 6 Owners Manual: Parking brake (lever type) removal/installation
1. Remove the center console. (See CONSOLE REMOVAL/INSTALLATION.)
2. Remove the rear seat cushion (4SD) or rear seat (5HB) . (See REAR SEAT
REMOVAL/
INSTALLATION.)
3. Remove the exhaust pipe bracket.
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6 ...