Toyota Yaris Owner's Manual page 173

Never tow a trailer without using
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safety chains securely attached to
both the trailer and the vehicle. If
damage occurs to the coupling unit
or hitch ball, there is danger of the
trailer wandering over into another
lane.
TIRES
Ensure that your vehicle's tires are
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properly inflated. See page 216 in Sec-
tion 7−2 for instructions.
The trailer tires should be inflated to
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the pressure recommended by the trail-
er manufacture in respect to the total
trailer weight.
TRAILER LIGHTS
Trailer lights must comply with federal
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and state regulations. See your local
recreational vehicle dealer or rental
agency for the correct type of wiring
and relays for your trailer. Check for
correct operation of the turn signals
and stop lights each time you hitch up.
Direct splicing may damage your ve-
hicle's electrical system and cause a
malfunction of your lights.
166
BREAK−IN SCHEDULE
Toyota recommends that you do not
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tow a trailer with a new vehicle or a
vehicle with any new power train com-
ponent (engine, transmission, differen-
tial, wheel bearing, etc.) for the first
800 km (500 miles) of driving.
MAINTENANCE
If you tow a trailer, your vehicle will
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require more frequent maintenance due
to the additional load.
information, please refer
scheduled maintenance information in
the "Warranty and Service Booklet".
Retighten all fixing bolts of the towing
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ball and bracket after approximately
1000 km (600 miles) of trailer driving.
PRE−TOWING SAFETY CHECK
Check that your vehicle remains level
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when a loaded or unloaded trailer is
hitched. Do not drive if the vehicle has
an abnormal nose−up or nose−down
condition, and check for
tongue load, overload, worn suspension
or other possible causes.
Make sure the trailer cargo is securely
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loaded so that it can not shift.
Check that your rear view mirrors con-
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form to any applicable federal and
state regulations. If not, install the rear
view mirrors required for towing pur-
pose.
TRAILER TOWING TIPS
When towing a trailer, your vehicle will
handle differently than when not tow-
ing. The three main causes of vehicle
trailer accidents are driver error, exces-
sive speed and improper trailer loading.
For this
Keep these in mind when towing:
to the
Before starting out, check operation of
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the lights and all vehicle−trailer connec-
tions. After driving a short distance,
stop and recheck the lights and con-
nections. Before actually towing a trail-
er, practice turning, stopping and back-
ing with a trailer in an area away from
traffic until you learn the feel.
improper