brake light SEAT IBIZA 5D 2017 User Guide
[x] Cancel search | Manufacturer: SEAT, Model Year: 2017, Model line: IBIZA 5D, Model: SEAT IBIZA 5D 2017Pages: 248, PDF Size: 5.24 MB
Page 91 of 248

Fuses and bulbs
● Remo
v
e the tail light, by pulling it out-
wards.
Changing the tail light bulbs Fig. 106
Changing the tail light bulbs Fig. 107
Changing the tail light bulbs ●
Remo
v
e the connector from housing A ›››
Fig. 105.
● Remove the bulb holder, separating it from
the c a
s
ing. To do this, press tabs B in the
dir ection of
the arr
ows ››› Fig. 106.
● When the bulb holder has been removed,
pres
s in the direction of the arrow 1 and at
the s ame time, t
urn in the dir
ection of the ar-
row 2
› ››
Fig. 107
Ch an
ging bulbs. LED lamps
Carry out the same operations as in lights fit-
ted with bulbs.
If necessary, remove the socket, as if it were
a bulb.
If the brake light and/or side light with LEDs
have to be replaced, the tail light must be re-
placed. Changing the side and interior
bul
bs
Turn signals Fig. 108
Turn signals. –
Press the turn signal to the left or to the
right t
o r
emove the bulb.
– Remove the bulb holder from the turn sig-
nal.
– R
emove the failed bulb and replace with a
new bul
b.
– Insert the bulb holder in the turn signal
guide until
it clicks into place.
– First fit the turn signal in the opening in the
cha
ssis, fastening the tabs 1
› ›
› Fig. 108 ,
and then fit in the bulb as shown by the ar-
row 2
› ›
› Fig. 108
.
89
Technical data
Advice
Operation
Emergencies
Safety
Page 92 of 248

Emergencies
Number plate light –
Insert the flat part of a screwdriver into the
spec i
al slot and remove the bulb.
– Remove the bulb holder, by turning it until
it is
free.
– Change the bulb.
– Replace the bulb holder, by turning it until
it fits f
ully.
– Fit the light into the space and press until
you hear a “c
lick”.
Additional brake light* Given the difficulty involved in the replace-
ment
of
thi
s light it should be done by Tech-
nical Services. Interior light and front reading lights Fig. 109
Front reading light. To remove the glass
– Insert a fine screwdriver between the cas-
ing and the gl
a
ss ››› Fig. 109.
– Carefully remove the glass, levering it to
avoid pos
sible damage.
To replace the bulbs
– Pull the bulbs outwards.
– To remove the central bulb, hold and press
to one side.
As
sembly
– Proceed in the reverse order, pressing gen-
tly on the outer edg
e of the side light.
– First fit the glass with the fastening tabs
over the fr
ame of the switch. Next press the front part until the two long tabs click on
the suppor
t.
Luggage compartment light* Fig. 110
Boot light. Fig. 111
Boot light. –
Extract the bulb by pressing on its inside
edg e -arr
ow- using the flat side of a screw-
driver ››› Fig. 110.
90
Page 95 of 248

Controls and displays
Operation
C ontr
o
ls and displays
General instrument panel Door release lever
Light sw
it
ch . . . . . . . . . . . . . . . . . . . . . . 117
Headlight range control* . . . . . . . . . .121
Air vents
Lever f
or:
– Turn signals/main beam head-
lights . . . . . . . . . . . . . . . . . . . . . . . . . . 119
– Crui se c
ontrol* . . . . . . . . . . . . . . . . . 180
Instrument panel and warning
lamp s:
– In
struments . . . . . . . . . . . . . . . . . . . . 94
– Warnin g and indic
ation lamps . . .35
Steering wheel with horn and – Driver airb ag . . . . . . . . . . . . . . . . . . . 66
– On-boar d c
omputer controls . . . .25
– Contro
ls for radio, telephone,
navigation and speech dialogue
system ›››
Booklet Radio
– Paddle levers for tiptronic gear-
shift (automatic gearbox) . . . . . . .161
1 2
3
4
5
6
7 Steering and starter lock
. . . . . . . . . .147
Lever for: – Wind
s
creen wipers and washer . .123
– Window w
asher-wiper system* . .123
– Multi-f
unction display control* . .25
Infotainment system:
Depending on the equipment,
glo
ve compartment with: . . . . . . . . .130
– CD pla
yer* and/or SD card*
››› Booklet Radio
Passenger airbag* . . . . . . . . . . . . . . . . 14
Switches for:
– Heating and
ventilation . . . . . . . . . 139
– Air conditionin g* . . . . . . . . . . . . . . . 141
– C
limatr
onic* . . . . . . . . . . . . . . . . . . . . 143
Depending on the equipment, but-
ton s
for:
– SEAT Drive Profile . . . . . . . . . . . . . . . 182
– Park a
ssist system . . . . . . . . . . . . . . 173
– Hazard w
arning lights . . . . . . . . . .121
– Airbag off w
arning lamp* . . . . . . .68, 70
Depending on the equipment:
– USB/AUX -IN inp
ut . . . . . . . . . . . . . . 105
– Cig ar
ette lighter/Power socket . .132
Drink holder/Ashtray . . . . . . . . . . . . .131
8 9
10
11
12
13
14
15
16 Controls in the centre console:
– St ar
t
-Stop operation button . . . . .170
– Tyr
e pressure monitoring* . . . . . . .213
– Heated r
ear window . . . . . . . . . . . . 123
– Heated se
ats* . . . . . . . . . . . . . . . . . . 128
– Central
locking* . . . . . . . . . . . . . . . . 108
Handbrake lever . . . . . . . . . . . . . . . . . . 149
Gear lever – Automatic* . . . . . . . . . . . . . . . . . . . . . 158
– M
anual . . . . . . . . . . . . . . . . . . . . . . . . . 158
Stor
age space
Pedal
s . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Steering column control lever* . . . .13
Bonnet release lever . . . . . . . . . . . . . .199
Fuse housing . . . . . . . . . . . . . . . . . . . . . 80
Control for adjusting electric exteri-
or mirrors* . . . . . . . . . . . . . . . . . . . . . . . 126
El
ectric window controls* . . . . . . . . .114 Note
Some of the items of equipment listed here
are fitt ed on
ly on certain model versions or
are optional extras. 17
18
19
20
21
22
23
24
25
26
93
Technical data
Advice
Operation
Emergencies
Safety
Page 100 of 248

Operation
●
Addition a
l lights and other accessories in
front of the air inlet reduce the cooling effect
of the coolant. At high outside temperatures
and high engine loads, there is a risk of the
engine overheating.
● The front spoiler also ensures proper distri-
bution of the c
ooling air when the vehicle is
moving. If the spoiler is damaged this can re-
duce the cooling effect, which could cause
the engine to overheat. Seek specialist assis-
tance. Fuel level
Fig. 115
Fuel gauge. The display
6
› ›
› Fig. 113
only works when
the ignition is switched on. When the display
reaches the reserve mark, the lower diode
lights up in red and the control lamp ap-
pears ››› page 94. When the fuel level is very
low, the lower diode flashes in red. The distance to empty fuel level is displayed
on the instrument
panel 3
› ››
Fig. 113
.
Y
ou can consult the tank capacity of your ve-
hicle in the ›››
page 40 section. CAUTION
Never run the fuel tank completely dry. An ir-
re gu
lar fuel supply could cause misfiring. In
this way the unburned fuel can reach the ex-
haust system, which could cause the catalytic
converter to overheat resulting in damage. Warning and control lamps
W arnin
g symbo
ls Read the additional information carefully
› ›
›
page 35
There are red warning symbols (priority 1)
and yellow warning symbols (priority 2).
Warning messages, Priority 1 (red)
If one of these faults occurs, the warning
lamp will light up or flash and will be accom-
panied by three audible warnings. This is a
danger warning. Stop the vehicle and switch
off the engine. Check the fault and correct it.
Obtain professional assistance if necessary.
If several priority 1 faults are detected at the
same time, the symbols will be displayed one after the other for about 2 seconds at a time
and wil
l continue until the fault is corrected.
No menus will be shown in the display for the
duration of a priority 1 warning message.
Examples of priority 1 warning messages
(red)
● Brake system symbol with the warnin
g
message STOP BRAKE FLUID INSTRUC-
TION MANUAL or STOP BRAKE FAULT IN-
STRUCTION MANUAL .
● Coolant symbol with the warnin
g mes-
sage STOP SEE COOLANT INSTRUCTION
MANUAL .
● Engine oil pressure symbol with the
warnin
g message STOP ENGINE OIL
PRESSURE LOW! INSTRUCTION MANUAL .
Warning messages, Priority 2 (yellow)
If one of these faults occurs, the correspond-
ing warning lamp lights up and is accompa-
nied by an audible warning. Check the corre-
sponding function as soon as possible al-
though the vehicle may be used without risk.
If several priority 2 warning messages are de-
tected at the same time, the symbols are dis-
played one after the other for about 2 sec-
onds at a time. After a set time, the informa-
tion text will disappear and the symbol will
be shown as a reminder at the side of the
display.
98
Page 124 of 248

Operation
The hazard warning lights are used to draw
the att ention of
other r
oad users to your vehi-
cle in emergencies.
If your vehicle breaks down:
1. Park your vehicle at a safe distance from movin
g traffic.
2. Press the button to switch on the hazard warning lights
››› .
3. Switch the ignition off.
4. Apply the handbrake.
5. For a manual gearbox, engage 1st gear; for an aut
om
atic gearbox, move the gear
lever to P.
6. Use the warning triangle to draw the atten- tion of other ro
ad users to your vehicle.
7. Always take the vehicle key with you when you le
ave the vehicle.
All turn signals flash simultaneously when
the hazard warning lights are switched on.
The two turn signal turn signal lamps
and the turn signal lamp in the switch will
flash at the same time. The simultaneous
hazard warning lights also work when the ig-
nition is switched off. WARNING
● The risk of
an accident increases if your ve-
hicle breaks down. Always use the hazard
warning lights and a warning triangle to draw the attention of other road users to your sta-
tionar
y
vehicle.
● Due to the high temperatures that the cata-
lytic con
verter can reach, never park in an
area where the catalytic converter could come
into contact with highly inflammable materi-
als, for example dry grass or spilt petrol. This
could start a fire. Note
● The b atter
y will run down if the hazard
warning lights are left on for a long time,
even if the ignition is switched off.
● The use of the hazard warning lights de-
scribed her
e is subject to the relevant statu-
tory requirements. Interior lights
Int erior and r e
ading lights Read the additional information carefully
› ›
›
page 23
Luggage compartment lighting
The light is activated when the rear lid is
open, even when the ignition and lights are
turned off. For this reason, ensure that the
rear lid is always closed. Glove compartment light
When opening the glov
e compartment on the
passenger side, the glove compartment light
will automatically turn on and will turn off
upon closure.
Ambient light*
››› table on page 2
The ambient lighting lights up the central
console area and the footwell area.
They will switch on fully when the doors are
opened and will decrease in intensity while
driving when the dipped beam headlight is
on.
The intensity of the ambient light* can be ad-
justed using the Easy Connect menu (see
Adjusting Lights > Interior light-
ing ›››
page 24). Note
If not all the vehicle doors are closed, the in-
terior light s
will be switched off after approx.
10 minutes, providing the ignition key has
been removed and the courtesy light position
selected. This prevents the battery from dis-
charging. 122
Page 152 of 248

Operation
of your brake pads checked by technical serv-
ic e
s
more frequently than recommended in
the Maintenance Programme.
If you drive with wet brakes, for example, af-
ter crossing areas of water, on days of heavy
rainfall or even after washing the car, the ef-
fect of the brakes is reduced as the brake
discs are wet or even frozen (in winter): in
this case, the brakes should be “dried” by
pressing the brake pedal several times. WARNING
Longer braking distances and faults in the
brak e sy
stem increase the risk of accidents.
● New brake pads must be run in and do not
have the c
orrect friction during the first
200 km. This reduced braking capacity may
be compensated for by pressing on the brake
pedal a little harder, which also applies when
the brake pads have to be changed further
on.
● If brakes are wet or frozen, or if you are
driving on r
oads which have been salted,
braking power may be lower than normal.
● On steep slopes, if brakes are excessively
used, they w
ill overheat. Before driving down
a long steep slope, it is advisable to reduce
speed and change down into a lower gear or
range (depending on the type of transmis-
sion). Thus, make use of engine braking and
relieve the brakes.
● Never let the brakes “drag” by applying
light pre
ssure. Continuous braking will cause the brakes to overheat and the braking dis-
tanc
e w
ill increase. Apply and then release
the brakes alternately.
● Never let the vehicle run with the engine
switc
hed off. The braking distance is in-
creased considerably when the brake servo is
not active.
● If the brake fluid loses its viscosity and is
subj
ected to heavy use, vapour bubbles can
form in the brake system. This reduces the ef-
ficiency of the brakes.
● Non-standard or damaged front spoilers
coul
d restrict the airflow to the brakes and
cause them to overheat. Before purchasing
accessories please observe the relevant in-
structions ››› page 187, Modifications.
● If a brake system circuit fails, the braking
dist
ance will be increased considerably. Con-
tact a specialised workshop immediately and
avoid unnecessary journeys. Control lamp
Situations in which the warning lamp lights
up *
●
the brake fluid level is too low
› ›
›
page 206.
● there is a fault in the brake system.
This w
arning lamp can light up together with
the ABS system warning lamp. WARNING
● If the br ak
e warning lamp does not go out
or if it lights up when driving, the brake fluid
level in the reservoir is too low so there is a
risk of an accident ››› page 206, Brake fluid.
Stop the vehicle and do not drive on. Obtain
technical assistance.
● If the brake warning lamp lights up to-
gether w
ith the ABS lamp this could be
due to an ABS fault. This could cause the rear
wheels to lock quickly when you brake. This
could cause the rear to break away. Risk of
skidding. Stop the vehicle and seek technical
assistance. Handbrake
Fig. 157
Handbrake between the front seats. The handbrake should be applied firmly to
pr
ev
ent
the vehicle from accidentally rolling
away. Always apply the handbrake when you
leave your vehicle and when you park.
150
Page 153 of 248

Driving
Applying the handbrake
– Pull the handbrake lever up firmly
› ›
›
Fig. 157.
Releasing the handbrake
– Pull the lever up slightly and press the re-
lea
se knob in the direction of the arrow
››› Fig. 157 and guide the handbrake lever
down fully ››› .
A lw
a
ys pull the handbrake all the way up, so
there is less risk of driving off with it still en-
gaged ››› .
The h andbr
ak
e warning lamp lights up
when the handbrake is applied and the igni-
tion switched on. The warning lamp turns off
when the handbrake is released. WARNING
● Never u se the h
andbrake to stop the vehi-
cle when it is in motion. The braking distance
is considerably longer, because braking is
only applied to the rear wheels. Risk of acci-
dent!
● If the handbrake is only partially released,
this w
ill cause the rear brakes to overheat,
which can impair the function of the brake
system and could lead to an accident. This al-
so causes premature wear on the rear brake
pads. CAUTION
Always apply the handbrake before you leave
the v ehic
le. Put it in 1st gear as well. In vehi-
cles with an automatic gearbox, place the
gear lever in position P. Parking
The handbrake should always be firmly ap-
plied when the
v
ehicle is parked.
Always note the following points when park-
ing the vehicle: – Use the brake pedal to stop the vehicle.
– Apply the handbrake.
– Put it in 1st gear.
– Switch the engine off and remove the key
from the ignition. T
urn the steering wheel
slightly to engage the steering lock.
– Always take you keys with you when you
leav
e the vehicle ››› .
Ad dition
a
l notes on parking the vehicle on
gradients:
Turn the steering wheel so that the vehicle
rolls against the kerb if it started to roll.
● If the vehicle is parked facing downhil
l,
turn the front wheels so that they point to-
wards the kerb . ●
If the v
ehicle is parked facing uphill, turn
the front wheels so that they point away from
the kerb.
● Secure the vehicle as usual by applying the
handbrak
e firmly and putting it in 1st gear. WARNING
● Tak e me
asures to reduce the risk of injury
when you leave your vehicle unattended.
● Never park where the hot exhaust system
coul
d ignite inflammable materials, such as
dry grass, low bushes, spilt fuel etc.
● Never allow vehicle occupants to remain in
the vehic
le when it is locked. They would be
unable to open the vehicle from the inside,
and could become trapped in the vehicle in
an emergency. In the event of an emergency,
locked doors will delay assistance to vehicle
occupants.
● Never leave children alone in the vehicle.
They cou
ld set the vehicle in motion, for ex-
ample, by releasing the handbrake or the
gearbox lever.
● Depending on weather conditions, it may
become extr
emely hot or cold inside the vehi-
cle. This can be fatal. 151
Technical data
Advice
Operation
Emergencies
Safety
Page 154 of 248

Operation
Braking and stability systems El ectr
onic
Stability Control (ESC)*This Electronic Stability System reduces the
risk
of
skidding and improves the vehicle's
stability and ability to hold the road.
The Electronic Stability Control (ESC) contains
the electronic differential lock (EDL) and the
traction control system (ASR). The ESC works
together with the ABS. Both control lamps
will light up if the ESC or ABS systems are
faulty.
The ESC system is started automatically
when the engine is started.
The ESC system is always active and cannot
be switched off. With the Easy Connect sys-
tem it is only possible to deactivate the ASR
or else select Sport mode.
The ASR can be deactivated when wheel spin
is desirable ›››
page 153.
For example:
● When driving with snow chains.
● When driving in deep snow or on loose sur-
fac e
s.
● When the vehicle is stuck, to rock it back-
ward
s and forwards.
Press the button to switch the ASR back on
when you no longer need wheel spin. Electronic Stability Control (ESC)*
The ESC r
educes the risk of skidding by brak-
ing the wheels individually.
The system uses the steering wheel angle
and road speed to calculate the changes of
direction desired by the driver, and constant-
ly compares them with the actual behaviour
of the vehicle. When irregularities occur, for
example, if the vehicle begins to skid, the
ESC brakes the appropriate wheel automati-
cally.
The forces acting on the braked wheel bring
the vehicle back to a stable condition. If the
vehicle tends to oversteer (the rear end
slides out), the system will act on the front
wheel on the outside of the turn.
Control lamp
There are two control lamps for the electronic
stability control. The lamp provides infor-
mation concerning function and disconnec-
tion status.
Both control lamps light up together when
the ignition is switched on and should turn
off after approximately 2 seconds. This is the
time taken for the function check.
This programme includes the ABS, EDL and
ASR. It also includes emergency braking as-
sistance (BAS). The control lamp
has the following func-
tions:
● It flashes whilst driving when the ASR/ESC
is activ
ated.
● It will light up if there is a fault in the ESC.
● As the ESC operates in conjunction with the
ABS, the ESC light
will also come on if a fault
should occur in the ABS.
If the ESC control lamp lights up and stays
on after the engine is started, this may mean
that the control system has temporarily
switched off the ESC. In this case the ESC can
be reactivated by switching the ignition off
and then on again. If the control lamp goes
out, this means the system is fully functional.
The lamp provides information about the
disconnection status of the system:
● It stays lit when the ASR is disconnected on
pres
sing the switch or if we select ESC
Sport mode, only by means of Easy Connect. WARNING
● Do not f or
get that the electronic stability
control ESC cannot defy the laws of physics.
This should be kept in mind, particularly on
slippery and wet roads and when towing a
trailer.
● Always adapt your driving style to suit the
condition of the r
oads and the traffic situa-
tion. The greater safety provided by the ESC
should not encourage you to run any risks. 152
Page 155 of 248

Driving
CAUTION
● To en s
ure that the ESC works correctly, all
four wheels must be fitted with the same
tyres. Any differences in the rolling radius of
the tyres can cause the system to reduce en-
gine power when this is not desired.
● Any modifications made to the vehicle (for
examp
le, to the engine, brake system, run-
ning gear or to the combination of wheels
and tyres) may affect the operation of the
ABS, EDL, ESC and ASR. Traction control system (ASR)*
The traction control system prevents the driv-
en wheel
s
fr
om spinning when the vehicle is
accelerating. This system always includes
ABS.
Description and operation of the traction
control system during acceleration (ASR)
On front-wheel drive vehicles, the ASR sys-
tem intervenes, reducing engine power and
preventing the driven wheels from slipping
during acceleration. The system works in the
entire speed range in conjunction with ABS.
If a failure occurs in the ABS, the ASR will al-
so stop working.
TCS helps the car to start moving, accelerate
and climb a gradient in slippery conditions
where this may otherwise be difficult or even
impossible. The ASR automatically switches on when the
engine is
started. If necessary, it could be
connected or disconnected by means of the
Easy Connect system.
When the ASR is off, the warning lamp lights
up . The ASR should normally be left on.
Only in exceptional circumstances, when
wheel spin is required, can they be turned off
using the ESC button, for example:
● With compact temporary spare wheel.
● When using the snow chains.
● When driving in deep snow or on soft ter-
rain.
● When the v
ehicle is bogged-down, to free it
“by r
ocking it.”
The ASR should be switched on again as
soon as possible.
Control lamp
There are two control lamps for the traction
control system: and . Both control lamps
light up together when the ignition is switch-
ed on and should turn off after approximately
2 seconds. This is the time taken for the func-
tion check.
The lamp has the following function:
● It flashes when the ASR is working if the ve-
hicle i
s moving. If the system is deactivated or if it has any
fault, the w
arning lamp will remain lit. The
warning lamp will also light up if a fault
should occur in the ABS because the ASR op-
erates in conjunction with the ABS. For fur-
ther information, see ››› page 153.
The lamp provides information about the
disconnection status of the system:
● It stays lit when the ASR is disconnected
via E
asy Connect.
By means of Easy Connect, the ASR function
is reactivated and the warning lamp switched
off. WARNING
● Remember th at
not even the ASR can defy
the laws of physics. This should be kept in
mind, particularly on slippery and wet roads
and when towing a trailer.
● Always adapt your driving style to suit the
condition of the r
oads and the traffic situa-
tion. The greater safety provided by the ASR
should not encourage you to run any risks. CAUTION
● To en s
ure that the ASR works correctly,
identical tyres should be fitted on all four
wheels. Any differences in the rolling radius
of the tyres can cause the system to reduce
engine power when this is not desired. » 153
Technical data
Advice
Operation
Emergencies
Safety
Page 156 of 248

Operation
●
Any modific
ations made to the vehicle (for
example, to the engine, brake system, run-
ning gear or to the combination of wheels
and tyres) may affect the operation of the
ABS and ASR. Connecting/disconnecting ESC and
ASR
The ESC is switched on automatically when
the engine i
s
started, and only works when
the engine is running and includes the ABS,
EDS and ASR systems.
The ASR and ESC function should only be
switched off in situations in which traction is
insufficient, among others:
● When driving in deep snow or on surfaces
that ar
e not very firm.
● To “free” the vehicle if it gets stuck.
Then switc
h the ASR and ESC function back
on.
Depending on finishes and versions, it is
possible either to disconnect only the ASR or
else activate ESC Sport mode.
ESC in “Sport” mode
Sport mode can be connected via the Easy
Connect ››› page 99 system menu. The ability
of the ESC to stabilise the vehicle is limited; the traction control system (ASR) becomes
disab
led ››› .
The c ontr
o
l lamp lights up. For vehicles
with a driver information system*, the driver
will be shown the electronic stability
control (ESC) option: sport.
Warning! Limited stability.
Disable ESC “Sport” mode
Through the Easy Connect system menu
››› page 99. The warning lamp will switch
off. For vehicles with a driver information sys-
tem*, the driver will be shown the elec-
tronic stability control (ESC)
option: on.
Disable ASR
The Easy Connect system menu is used to
switch off the ASR ››› page 99. The traction
control system will be disabled.
The control lamp lights up. For vehicles
with a driver information system* the driver
will be informed that ASR is disabled.
Activate ASR
The Easy Connect system menu ››› page 99 is
used to switch on the ASR. The traction con-
trol system will be enabled.
The control lamp switches off. For vehicles
with a driver information system* the driver
will be informed that ASR is enabled.●
Activat e or deactivate the ASR or ESC func-
tion in the Easy Connect system by means of
the button and the function buttons
Set up and
E
SC
System .
WARNING
You should switch on the ESC Sport mode on-
ly if the tr
affic conditions and your driving
ability allow you to do so safely: risk of skid-
ding!
● With ESC in Sport mode, the stabilising
function w
ill be limited to allow for a sportier
drive. The driving wheels could spin and the
vehicle could skid. Note
If the ASR is disconnected or the ESC’s Sport
mode is sel
ected, cruise control* will be
switched off. Electronic differential lock (EDS)*
The EDL operates along with the ABS in vehi-
c
l
e
s equipped with Electronic Stability Con-
trol (ESC)*.
EDL helps the vehicle to start moving, accel-
erate and climb a gradient in slippery condi-
tions where this may otherwise be difficult or
even impossible.
It uses the ABS sensors to monitor the speed
of the driven wheels.
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