2008 Lancia Thesis brake light

194
CRUISE CONTROL
(CONSTANT SPEED
REGULATOR)
GENERAL
The electronic cruise control allows
to drive your car at the required
speed without pressing the accelera-
tor pedal. This reduces fatigue when
driving on motorways, especially
during long journeys, because the
set speed is automatically main-
tained.
IMPORTANTThe device can only
be set to speeds exceeding 30 km/h
(40 to 180 km/h for 2.4 JTD 20V
CAE version).The cruise control must
only be used when the
road and traffic condi-
tions allow to keep a constant
speed in total safety for an ade-
quately long time.CONTROLS (fig. 143)
The cruise control is operated by
means of switch A, ring Band but-
tonC(RCL).
SwitchAhas two positions:
–OFFin this position, the device is
off
–ONthis is the normal device
operating position. When the device
is ON, symbol Ülights up on the
multifunction display, together with
message “CRUISE CONTROL ON”.
RingBis used to set and maintain
the car speed or to increase or
decrease the set speed.
The device is automatically
switched off when:
– the brake pedal is pressed
– the clutch pedal is pressed
– the gear lever is unintentionally
shifted to N.
In versions with auto-
matic transmission, never
shift the lever to N when
the car is running.
fig. 143
L0A0208b

198
The Radar Cruise Control
must only be used when
the road and traffic condi-
tions allow to keep a constant
speed in total safety for an ade-
quately long time. IMPORTANTThe system can only
be switched on when the car speed
ranges from 30 to 160 km/h and is
automatically switched off by press-
ing the brake pedal. If the car speed
falls below 30 km/h when the system
is on, a buzzer and a visual indication
warn the driver to take control of car
speed again. When the car speed ex-
ceeds 160 km/h after a slight acceler-
ation (“override” mode), a buzzer and
a visual indication will warn the dri-
ver that the system is off.
IMPORTANTThe Radar Cruise
Control cannot be activated when the
driver has switched the ASR system
off.CONTROLS (fig. 144)
The Radar Cruise Control is oper-
ated by three controls, as well as by
the accelerator (to increase speed)
and the brake pedal (to switch the
system off).
Controls are as follows:
– ring Ato switch the system on/off
and to set the distance from the
vehicle ahead, depending on its
speed
– ring Bto increase/decrease the
set speed
– button Cto restore the stored
speed.
fig. 144
L0A0020b
As long as the car speed exceeds
160 km/h, one of the following indi-
cations will warn the driver that themax. speed limit controlled by the
system is exceeded.
If the road in front of car fitted
with Radar Cruise Control is free.
If a vehicle is detected in front of
the car fitted with Radar Cruise
Control.

201
Deleting the stored speed
The stored speed is automatically
deleted when:
– the engine is stopped
– ring Ais turned to OFF.
When the system is switched off,
any information shown on the
instrument panel display will be
deleted.
Maintaining speed and distance
The system will maintain the
stored speed when no vehicle is
detected along the running path. If,
on the contrary, a vehicle is detected
which runs at a low speed, the sys-
tem will automatically perform the
operations (acceleration, decelera-
tion or slight braking) required to
keep the set distance from the vehi-
cle ahead.The maximum decelera-
tion performed by the sys-
tem automatically is lim-
ited compared to the actual brak-
ing power of the brake system;
therefore, emergency braking can
and must be performed only by
the driver. A buzzer will warn the
driver that the brakes shall be
applied.Detecting a vehicle with the
system active but not switched on
When the system is active (ring A
set to any position other than OFF),
it can detect the presence of a vehi-
cle only after it has been switched on
at least once (by turning ring Bto
(+).
Subsequently, the presence of a
running vehicle will always be indi-
cated, even when the system is off,
until deactivating the system (ring A
set to OFF).
Pressing the brake pedal will
switch the system off, whereas it will
always be possible to accelerate, (e.g
for overtaking), without switching
the system off; the system will auto-
matically bring the car back to the
stored speed when the accelerator
pedal is released (provided that 160
km/h speed has not been exceeded).
The multifunction display gives to
the driver concise information on the
stored speed, the presence of a run-
ning vehicle (if any) and the set dis-
tance.

211
Obstacles placed in side areas are
detected at a distance of less than
0.6 m.
Rear sensors are automatically
switched on by removing the trailer
cable plug.FAULT INDICATIONS
The system control unit checks all
the system components every time
the ignition key is turned to MAR.
Then, the sensors and their respec-
tive electrical connections are con-
stantly monitored during system
operation.
Parking assist system faults are sig-
nalled by the lighting of symbol t
on the multifunction display, togeth-
er with message “PARKING SEN-
SOR FAULT”.
In case of fault signals, stop the
car, shut the engine off, then try to
clean the sensors, making sure that
you are not close to ultrasound-
emitting sources (e.g. truck air
brakes or pneumatic hammers). If
the cause of the operation anomaly
has been remedied, the system fully
resumes its functions and the fault
symbol on the multifunction display
goes out, together with its respective
warning message. Rear sensors are auto-
matically switched off
when the trailer’s electric
cable plug is inserted into the car
tow hitch socket.TOWING A TRAILER

212
If, on the contrary, the warning
lamp remains on, go to a Lancia
Dealershipto have the system
checked even if the system keeps on
working. In fact, if the fault detected
by the control unit does not affect
the operation of the system, the lat-
ter keeps on working and the mal-
function is stored in the memory so
as to be detected by the Lancia
Dealershipduring a subsequent
check.
GENERAL NOTES
When parking your car, always pay
the greatest attention to the obsta-
cles that could be situated above or
below the sensors. In fact, objects
situated at close range in the car’s
front or rear parts could, under cer-
tain circumstances, not be detected
by the system and, therefore, dam-
age your car or be damaged them-
selves.Moreover, signals sent by the sen-
sors can be altered by damaged sen-
sors, by accumulation of dirt, snow
or ice on the sensors, or by ultra-
sound systems (e.g. truck air brakes
or pneumatic hammers) being oper-
ated nearby.INTERIOR
EQUIPMENT
FRONT CEILING LIGHT
(fig. 159)
This ceiling light includes a central
light and two courtesy lights.
To switch the central light on man-
ually, press button A; to switch it
off, press the same button again.
The light will light up and go out
gradually. If the ceiling light has
been switched on by means of the
button, it will automatically go out
after about 15 minutes after the
engine has been shut off (by turning
key to STOP).
fig. 159
L0A0098b

233
These rings can also be used to fas-
ten the luggage net (optional, can be
purchased at a Lancia Dealership).LUGGAGE TRANSPORT -
IMPORTANT
The car is equipped with a system
that automatically keeps headlight
height steady on different loading
conditions. The adjusting system
works properly with the maximum
allowed loads: always make sure
that the load you are carrying does
not exceed the values specified in
chapter “Technical Specifications”.
When using the boot,
make sure the load you
are carrying does not
exceed the maximum allowed
weight (see the “Technical
Specifications” chapter). Also
ensure the items in the boot are
arranged properly and fastened
with straps to the specific hooks
to prevent them being thrown for-
wards and injuring passengers
should you brake sharply.Heavy loads which are
not securely anchored
could seriously injure
passengers in the event of an
accident.
If you need to carry
petrol in a jerry-can,
always comply with the
law regulations and use a certi-
fied can, which must be properly
secured to the fastening rings. In
any case, the risk of fire in case of
accident is high.
fig. 202
L0A0220b

246
ABS
GENERAL
If this is the first car with ABS you
drive, get familiar with it by some
preliminary “driving tests” on poor
grip roadbeds, obviously under safe-
ty conditions and in compliance with
the traffic regulations of the Country
you are driving in. Read carefully
the following instructions.
The ABS (wheel anti-locking) sys-
tem prevents wheel locking and con-
sequent slipping in all road surface
conditions. This ensures greater con-
trol, as it is possible to steering and
brake at the same time, and reduces
braking space.
If the road conditions decrease the
friction coefficient (i.e. due to the
presence of water, snow, ice, etc.) a
wheel may slip; in this case, the
wheel does not ensure correct decel-
eration or the possibility of main-
taining the running direction and
the ability to steer. Here, the ABSsystem comes into operation, elimi-
nating hydraulic pressure only from
the brake caliper of the locked wheel
and, as soon as the latter start spin-
ning again, brakes it again, thus
ensuring optimum braking and car
driveability.
EBD (ELECTRONIC BRAKE-
FORCE DISTRIBUTOR)
The car is equipped with an elec-
tronic brakeforce distributor (EBD)
which, by means of the ABS control
unit and sensors, makes it possible
to optimally distribute the braking
force between the front and rear
wheels, thus avoiding car skidding
in the most difficult situations.ABS OPERATION
The electronic control unit receives
and processes the signals from the
brake pedal and from the four sen-
sors on the wheels. It consequently
controls the hydraulic system so to
decrease, hold or increase the pres-
sure in the braking circuit of every
single wheel, and prevent locking.
The main components of the ABS
system are:
- an electronic-hydraulic control
unit, which processes the signals
from the various sensors and per-
forms the most appropriate opera-
tions by acting on the solenoid
valves
- four sensors which detect the
rotation speed of every single wheel
- a pump provided with pressure
switch, to restore brake fluid pres-
sure.
IMPORTANTA slight pulsation of
the brake pedal may be felt when
the ABS system comes into play.

247
The car is fitted with an
electronic brake force
distributor (EBD). The x
and>warning lights come on at
the same time on the multifunc-
tion display, together with mes-
sage “EBD SYSTEM FAULT”,
when the engine is running to
indicate that there is an EBD sys-
tem failure. In this case violent
braking may be accompanied by
early rear wheel locking with the
possibility of skidding. Drive the
car extremely carefully to the
nearest Lancia Dealership to
have the system checked.
If warning light x
comes on together with
message “LOW BRAKE
FLUID LEVEL”, on the multi-
function display, stop the car
immediately and contact a Lancia
Dealership. Fluid leakage will
compromise efficiency of both the
traditional brake system and the
ABS system.The system performance
in terms of active safety
must not lead the driver
to take unnecessary or unjusti-
fied risks. Always suit your dri-
ving style to the weather, visibili-
ty and traffic conditions.
Excessive use of engine
braking (gears tooshort
and limited grip) may
make the wheels slip. The ABS
will have no effect on this type of
skidding.
The maximum possible
deceleration always
depends on the available
road grip. Obviously, grip will be
considerably decreased in the
presence of snow and ice. In these
conditions, the braking space
will still be high, even with the
ABS.The coming on of the
>warning light on the
multifunction display,
together with message “ABS SYS-
TEM FAULT”, when the engine is
running, normally indicates a
fault in the ABS system. In this
case the braking system will still
be effective although without the
anti-lock device assistance. In
these conditions, EBD system
operation may also be reduced.
Drive the car extremely carefully
to the nearest Lancia Dealership
to have the ABS system checked.