08 Starting and driving
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Trailer Stability Assist (TSA)
Trailer Stability Assist is a system designed to
help stabilize a vehicle that is towing a trailer
when the vehicle and trailer have begun to
sway and is part of the stability system. For
information on the stability system, see Stabil-
ity system – introduction (p. 141)
Function
A vehicle towing a trailer may begin to sway
for various reasons. Normally this only occurs
at high speeds but, for example, if the trailer
is overloaded or if the load is unevenly dis-
tributed in the trailer, there is risk of swaying
at speeds between approximately 45-55 mph
(70-90 km/h).
Swaying may be caused by factors such as:
•
The vehicle and trailer are hit by a sud-
den, strong crosswind
•
The vehicle and trailer are traveling on an
uneven road surface or drive over a bump
•
Sudden movements of the steering wheel
Facts about TSA
•
TSA intervenes at speeds above approxi-
mately 40 mph (60 km/h)
•
The stability system symbol in the instru-
ment panel will flash when TSA is working
•
If the driver switches off the stability sys-
tem's Spin Control function, TSA will also
be switched off (but will be on again the
next time the engine is started)
•
TSA may not intervene when the vehicle
and trailer begin to sway if the driver tries
to compensate for the swaying motion by
moving the steering wheel rapidly
How TSA works
Once swaying has begun, it can be very diffi-
cult to stop, which makes it difficult to control
the vehicle and trailer.
The TSA system continuously monitors the
vehicle's movements, particularly lateral
movement. If the system detects a tendency
to sway, the brakes are applied individually
on the front wheels, which has a stabilizing
effect on the vehicle and trailer. This is often
enough to enable the driver to regain control
of the vehicle.
If this is not adequate to stop the swaying
motion, the brakes are applied to all of the
wheels on the vehicle and on the trailer if it is
equipped with brakes, and engine power is
temporarily reduced. As the swaying motion
begins to decrease and the vehicle-trailer
have once again become stable, TSA will now
stop regulating the brakes/engine power and
the driver regains control of the vehicle.
Related information
•
•
Towing the vehicle
Always check with state and local authorities
before attempting to tow another vehicle
because this type of towing is subject to reg-
ulations regarding maximum towing speed,
length and type of towing device, lighting, etc.
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Страница 1: ...WEB EDITION OWNER S MANUAL ...
Страница 2: ......
Страница 11: ...Contents 9 12 12 Index Index 332 ...
Страница 12: ...INTRODUCTION ...
Страница 27: ...SAFETY ...
Страница 59: ...INSTRUMENTS AND CONTROLS ...
Страница 108: ...CLIMATE ...
Страница 120: ...LOADING AND STORAGE ...
Страница 125: ...LOCKS AND ALARM ...
Страница 142: ...DRIVER SUPPORT ...
Страница 212: ...STARTING AND DRIVING ...
Страница 236: ... 08 Starting and driving 08 234 Parking brake symbols and messages p 235 Brakes general p 228 ...
Страница 250: ...WHEELS AND TIRES ...
Страница 282: ...MAINTENANCE AND SERVICING ...
Страница 316: ...SPECIFICATIONS ...
Страница 318: ... 11 Specifications 11 316 Location of labels ...
Страница 333: ...11 Specifications 11 331 ...
Страница 342: ...12 Index 12 340 ...
Страница 343: ......
Страница 344: ...TP 19642 USA Canada AT 1520 MY16 Printed in China Beijing 2015 Copyright 2000 2015 Volvo Car Corporation ...