91
KNOWING
YOUR VEHICLE
SAFETY
ST
ARTING
AND DRIVING
WARNING LIGHTS
AND MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
CONTENTS
MSR system (engine drive regulation)
This is an integral part of the ASR system that, in the
event of sudden gear shifting on hills, cuts in to provide
torque to the engine, thus preventing excessive driving
wheel drag that, especially in poor grip conditions, can
lead to loss of stability.
TTC system (self-locking differential effect)
The TTC system uses the braking system to produce a behaviour similar to a limited slip differential.
The front braking system, during acceleration while
cornering, acts on the inner wheel, increasing the drive
of the outer wheel (with more load) and distributing the
torque between the front drive wheels dynamically and
continuously according to the driving conditions and the
road surface.
In this way, the system allows particularly effective and
sporty driving to be achieved.
The TTC system intervenes activating the Sport driving
mode of the “Manettino Abarth” system (see the
“Manettino Abarth car dynamic control system (DSS
– Driving Sport Switch)” paragraph in this section).
When the TTC system is active, the ASR system
calibration is changed and made less intrusive.
Do not take unnecessary risks, even if
your vehicle is fitted with this system.
Your driving style must always be suited to the
road conditions, visibility and traffic.
The driver is always responsible for road safety.
WARNING
When travelling on snowy roads with snow chains, it
may be helpful to have the ASR system less intrusive
(activating the Sport driving mode): in these conditions,
the slipping of the drive wheels when setting off makes it
possible to have better traction.
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139
KNOWING
YOUR VEHICLE
SAFETY
STARTING
AND DRIVING
WARNING LIGHTS
AND MESSAGES
IN AN
EMERGENCY
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AND CARE
TECHNICAL
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CONTENTS
SNOW CHAINS
The use of snow chains should be in compliance with
local regulations. The snow chains may be applied only
onto the front wheel tyres (drive wheels). Use of
Lineaccessori Abarth snow chains is recommended.
Check the tension of the snow chains after the first few
metres have been driven.
IMPORTANT With snow chains, use the accelerator
with extreme care to prevent or to limit as much as
possible slipping of the driving wheels that could cause
chain breakage resulting in damage to the car body or
mechanical components.
IMPORTANT Use compact 7 mm snow chains.215/45 R17”-91Y tyres cannot be fitted
with snow chains.
WARNING
Keep your speed down when snow chains are fitted. Do not exceed 50 km/h. Avoid
potholes, steps and pavements and also
avoid driving for long distances on roads
not covered with snow to prevent
damaging the car and the roadbed.
WARNING
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213
KNOWING
YOUR VEHICLE
SAFETY
STARTING
AND DRIVING
WARNING LIGHTS
AND MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
CONTENTS
Version Rims (**)Tyres provided
1.4 Turbo Multi Air 6½J x 17-36 205/45 R17 88V
7Jx17-39
6½J x 17-36 215/45 R17 91Y (*)
7Jx17-39
(*) Tyre not suitable for snow chains
(**) 100 mm wheel stud distance and M12 x 1.5 studs; use only wheels s\
uitable for this car.
COLD TYRE PRESSURE (bar)
Tyres Medium load Full load
Front RearFront Rear
205/45 R17 88V 2.42.22.7 2.4
215/45 R17 91Y 2.32.12.3 2.3
Add +0.3 bar to the prescribed pressure when the tyres are warm. However\
, recheck that the value is correct with the tyre cold.
With snow tyres, add +0.2 bar to the inflation pressure value prescribed\
for standard tyres.
When running at speeds higher than 160 km/h, inflate tyres to full-load \
pressures.
With the TPMS system, the inflation pressure should be + 0.1 compared wi\
th the prescribed figure.
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