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STARTING AND DRIVING
142
TJA (Traffic Jam Assist)
SYSTEM
(where provided)
141) 142) 143) 144) 145) 146) 147) 148)
It is a driving assistance system that can
be activated on all road types.
The system uses information from the
front camera and radar to help you keep
the car in the middle of the lane at a
constant speed.
The HAS combines Active Cruise Control
(ACC) functions and lane centring logic to
control the trajectory of the car holding it
as close as possible in the middle of the
lane and also managing speed.
WARNING Do not use the TJA system
while driving in urban traffic.
OPERATION
The system only works if the driver
keeps his or her hands on the steering
wheel.
If the system detects that hands have
been removed from the steering wheel,
it will alert you of the need to put your
hands back on the steering wheel (see
following pages).
WARNING If the vehicle is about to cross
the lane marking, the steering wheel
will vibrate and a dedicated screen will
appear on the instrument panel display.
WARNING The TJA can take a few
seconds to activate once all conditions
are met. During this time, a grey
indication will appear on the display of
the instrument panel and the system will
be activated automatically as soon
as all conditions are met, without any
intervention by the driver.
127 07146V0990EM
The following conditions must be met
before the TJA turns on:
the TJA must be switched on by
pressingthebuttonfig.127 on the
steering wheel;
the Active Cruise Control device (ACC)
must be on;
the car must be driving at a speed from
0 to 40 mph (0 to 60 km/h);
no camera, radar or Connect system
anomaly must be present;
the road lane width must be between
8.5 ft and 13.7 ft (2.6 metres and
4.2 metres);
the direction indicators must not be
activated;
no anomaly related to the system must
be present;
if the set speed is above 40 mph
(60 km/h), the TJA system will not
operate after the vehicle has exceeded i
60 km/h;
if the speed of the Active Cruise
Control (ACC) device can be set to a
higher value (top speed 180 km/h), the
TJA is only available as long as the
vehicle speed is lower than or equal to
40 mph (60 km/h);
ACTIVATION / DEACTIVATION
To activate the system press the button
located on the left side of the
steering wheel.
If the event that the lane marking line is
missing or not correctly recognised, the
TJA system may also use information
from adjacent and preceding vehicles.
This condition may occur in congested
traffic, when the car in front and/or
objects around the car obstruct the lane
markings. In this case, the system can use
the queues of cars in the traffic to define
the driving trajectory. Alternatively, at
speedsbelow 12 mph(20 km/h),the
system can use the "lock-on" strategy,
which allows it to automatically following
the car in front.
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