engine overheat Seat Leon 2020 Owner's manual

Operation
USB power sockets
Depending on the equipment and the coun-
try, the v ehicl
e may also have USB connec-
tions exclusively for charging or as a power
socket.
These USB ports are located at the rear of
the console, between the front seats . These
connectors can work at a maximum power of
up to 10.5 W per port.
They are not intended for file playback.
230 volt power socket*
With the engine running, the power socket
››› Fig. 148 activates automatically as soon
as a connector is plugged in. If there is
enough power available, the socket can still
be used while the engine is off ››› Connect an electrical device: Open the co
v-
er and insert the plug int
o the power socket
as far as possible to unlock the built-in child
lock. The socket only supplies power once
the child lock is unlocked. LED on the power socket
Steady green
light: The childproof lock is unlocked.
The sock
et is r

eady to operate. LED on the power socket
Flashing green
light: The ignition is switched off, but
ther
e is enough po

wer available
to continue supplying the socket
with current for a maximum of 10
minutes. If the connector is un-
plugged before this time elap-
ses, the socket is disconnected
and cannot be used again until
the ignition is switched on again.
Flashing red
light: There is an anomaly, e.g. dis-
connection due t
o a curr

ent
surge or overheating. Disconnection due to overheating
When the t
emper

ature exceeds a certain val-
ue, the 230 volt socket inverter is automati-
cally disconnected. The disconnection pre-
vents overheating when the power consump-
tion of the connected devices is excessive or
the ambient temperature is very high. The
230-volt power supply can be used once
again after a cooling time. First unplug the
connector of the connected device and then
plug it back in again. This prevents the elec-
trical device from being switched on again if
this is not wanted. WARNING
The electrical system is under high voltage!

Braking and parking
Brake assist systems Electronic Stability Control (ESC)
The ESC helps t
o impr
ove safety. It reduces
the tendency to skid and improves the stabili-
ty and roadholding of the vehicle. The ESC
detects critical handling situations, such as
vehicle understeer or oversteer, or wheelspin
on the driving wheels. It stabilises the vehicle
by braking individual wheels or by reducing
the engine torque. The warning lamp will
flash on the instrument panel when the ESC is
intervening !.
The ESC includes the anti-lock brake system
(ABS), the hydraulic brake assist (HBA), the
traction control system (TCS), electronic dif-
ferential lock (EDS), electronic torque control
(XDS) and the tractor-trailer sway mitiga-
tion*.
ESC also helps stabilise the vehicle by
changing the torque.
The TCS can be deactivated when wheel
spin is desirable ››› page 281
.
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up un-
der braking until the vehicle has reached a
virtual standstill. You can continue to steer the
vehicle even when the brakes are on full.
Keep your foot on the brake pedal and do not
pump the brakes. You will feel the brake pedal
pulsate while the ABS is working. If the running gear or brake system is modi-
fied, the eff
ectiv

eness of the ABS could be se-
verely limited.
Hydraulic Brake Assist (HBA)
The brake assist system can reduce the re-
quired braking distance. The braking force is
automatically boosted if you press the brake
pedal quickly in an emergency. You must
keep pressing the brake pedal until the dan-
ger has passed.
Traction control (TCS)
In the event of the wheels spinning, the TCS
reduces the engine torque to adapt to the
road condition. This helps the car to start
moving, accelerate or climb a gradient.
Electronic differential lock (EDL)
When the EDL detects wheelspin, it brakes
the spinning wheel and directs the power to
the other driven wheel. This function is active
up to approximately 100 km/h (62 mph).
To prevent the disc brake of the braked wheel
from overheating, the EDL cuts out automati-
cally if subjected to excessive loads. The ve-
hicle can still be driven. The EDL will switch on
again automatically when the brake has
cooled down. Tractor-trailer sway mitigation*
If the vehicl
e is pulling a trailer, it will control
the following: tractor-trailers tend to sway.
When the swaying of the trailer is felt by the
vehicle and detected by the ESC, it will auto-
matically brake the towing vehicle within the
limits of the system and mitigate the sway.
Tractor-trailer sway mitigation is not available
in all countries ››› page 303
.
Electronic engine torque management
(XDS)
When taking a curve, the driveshaft differen-
tial allows the outer wheel to turn at a higher
speed than the inner wheel. In this way, the
wheel that is turning faster (outer wheel) re-
ceives less drive torque than the inner wheel.
This may mean that in certain situations the
torque delivered to the inner wheel is too
high, causing the wheels to spin. On the other
hand, the outer wheel is receiving a lower
drive torque than it could transmit. This can
cause a loss of grip on the drive axle, in this
case the front axle, which results in under-
steer or “lengthening” of the trajectory.
The XDS can detect and correct this effect
via the sensors and signals of the ESC.
Via the ESC, the XDS will brake the inside
wheel and counter the excess driving torque
of that wheel. This means that the requested
trajectory is much more precise. »
279