Wheel size designation 
Wheel rim diameter  and width . 
Occupant loading  and distribution for vehicle  normal load for various 
designated  seating capacities 
Designated  seating ca-Vehicle 
normal load,  Occupant 
distribution 
pacity,  number  of occu- number  of occupants 
in a normally  loaded 
pants 
2 ,3  or  4  2 
5  3 
Tires and vehicle  load limits 
on 
page  258. 
There  are limits  to the  load  any 
or any tire can  carry . A  vehicle  that 
is  overloaded 
Overloading  can also  lead  to 
blowout,  sudden loss 
of pressure  or 
other  tire failure  that can cause  loss 
of 
control. 
Your  safety  and the safety 
of your 
passengers  depends on making  sure 
that  load 
ing capacity)  with an assumed  weight 
of (68 kg) for each  passenger 
at  a designated  seating position  and 
the  total  weight 
of any luggage  in the 
vehicle. 
you  tow a trailer,  the weight 
of the trailer  hitch and the tongue 
weight 
of the  loaded  trailer must be 
included  as part 
of the  vehicle  weight. 
At  altitudes  above 
for 
every 
ft m) . 
The  Gross  Axle Weight  Rating 
(GAWR) 
is  the  maximum  load that 
can  be carried  at each 
of the  vehicle's 
2  axles  (by the  front  or rear  tires) . 
GVWR  and GAWR  are listed  on the 
safety  compliance 
cleaning, maintenance