Yamaha GRIZZLY YFM70GPXH Owner's Manual page 44

 "LOCK" (four-wheel drive with the differential
gear locked): Power is supplied to the rear and
front wheels and the differential gear is locked.
Unlike in four-wheel drive, all wheels turn at the
same speed.
2
4
1. On-Command four-wheel-drive switch "2WD"/"4WD"
2. On-Command differential gear lock switch
"4WD"/"LOCK"
To lock the differential gear in four-wheel drive,
make sure the On-Command four-wheel-drive
switch is pushed in to the "4WD" position.
1
2WD
4WD
1. Differential gear lock lever
2. On-Command four-wheel-drive switch "2WD"/"4WD"
Stop the ATV, move the differential gear lock lever
to position (a), and then push the differential gear
lock switch in to the "LOCK" position. When the
differential gear is locked, the differential gear lock
indicator light "DIFF. LOCK" will come on along
with the indicator " " in the multi-function dis-
play.
4-12
1
2WD
4WD
(a)
2