Yamaha NAVIGO Owner's Manual page 24

1.5.12. Poor Road Conditions
The wheelchairs equipped with the NAVIGO or the are built to be lighter compared to other
electric wheelchairs that use a heavier general lead battery. For this reason, when a person
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sits in it, the overall center of gravity may be different. Therefore, use caution when traveling
on uneven surface.
● Do not travel on gravel roads, bumpy roads, mud-
dy roads, footpaths, etc. If you have no choice but
to travel on such roads, have an assistant accom-
pany you.
● Do not drive the wheelchair on a frozen surface.
You may not be able to stop the wheelchair.
● Go around locations where snow or water has ac-
cumulated or have an assistant accompany you.
In such places where you do not know the road
conditions or if the wheelchair slips, you could
lose control or the brakes may become ineffective.
If the wheelchair travels through a deep puddle
and water enters the drive units, the wheelchair
could stop.
● If you see a dip in the road, or if a sidewalk dips
due to a car ramp, go around it. If you go straight
into it, the wheelchair may tip over. If you have no
choice but to keep going, do so with an assistant
accompanying you to ensure safety.
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WARNING