Yamaha NAVIGO, Owner'S Manual

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1.5.8. Operation on Slopes
The wheelchairs equipped with the NAVIGO are built to be lighter compared to other heavier
electric wheelchairs that use a heavier general lead battery. For this reason, when a person
sits in it, the overall center of gravity may be different. Therefore, use caution when traveling
on a slope.
● When going up/down a particular slope for the first time, have an assistant accompany you
to ensure safety.
● Do not use the wheelchair on a slope steeper than
6 degree (10% grade). It may tip over or the brake
may become ineffective.
WARNING
● If an oncoming vehicle is near, stop the wheelchair, wait for the vehicle to pass, and then
check in front of you and behind you for safety before proceeding.
● Do not operate the wheelchair outdoors at night.
Not being able to see the road conditions, you
may lose balance and fall, or people or cars may
collide into you if they cannot recognize you.
● If it is raining or snowing, do not operate the wheelchair outdoors. Automobiles and other
vehicles may collide into you if they cannot recognize you. If it starts to rain or snow while
you are outdoors, move indoors as soon as possible.
WARNING
Over 6°
● When traveling near a ditch, the tire may fall into it if there is a gap even if it is covered.
Have an assistant accompany you instead of traveling alone.
● If there are any obstacles, stop the wheelchair and check in front of you and behind you for
safety before proceeding.