tire pressure Seat Leon 5D 2009 Owner's manual

Cockpit81
Safety First
Controls and equipment
Practical tips
Technical Data
•The wheel on one axle is changed.
Tyre pressure adjustment
Following the modification to tyre pressure or after changing one or more
wheels, the button ⇒page 80, fig. 49 must be kept pressed while the igni-
tion is on until an acoustic signal is heard and the warning lamp goes out.
If the wheels are under excessive load (for example, driving with a trailer or
heavy load), the tire pressure must be increased to the recommended value
for a full load (see the sticker on the inside of the fuel flap). If the tyre monitor
system button is pressed down, the new tyre pressures are confirmed.
The tyre pressure monitor indicator
 lights up
If the tyre pressure of one or more wheels is much lower than the value set by
the driver, then the tyre control warning lamp lights up ⇒.
The tyre pressure monitor indicator  flashes
If the tyre pressure indicator flashes, this indicates a fault. Go to the nearest
specialist workshop.
WARNING
•When the tyre pressure indicator lights, reduce speed immediately and
avoid any sudden manoeuvre or braking. Stop when possible, and check
the tyre pressure and status.•The driver is responsible for correct tyre pressure. For this reason, tyre
pressure must be regularly checked.•Under certain circumstances (for example, in a sports situation, in
winter conditions or on a dirt track) the tyre monitor indicator may light or
function incorrectly.Note
If the battery is disconnected, the yellow indicator
 lights up after turning
the ignition on. This should turn off after a brief journey.
Brake system* / handbrake

The warning lamp lights up if the handbrake is applied, if the
brake fluid level falls too low or if there is a fault in the brake
system.
This warning lamp
 lights up if
•If the handbrake is on.
If you drive faster than 6 km/h with the handbrake on, the following message
will appear on the dash panel display
14): HANDBRAKE ON. Also, an audible
warning is given.
•If the brake fluid level is too low ⇒page 227.
The dash panel displays the following message
14): STOP BRAKE FLUID
INSTRUCTION MANUAL .
•If there is a fault in the brake system.
The dash panel displays the following message
14): BRAKE SYSTEM FAULT
INSTRUCTIONS MANUAL .
This warning lamp can light up together with the anti-lock brake system
warning lamp.
WARNING
•Before opening the bonnet, read and observe the warnings on
⇒ page 215.•If the brake warning lamp does not go out, or if it lights up when
driving, the brake fluid level ⇒ page 227, “Brake fluid” in the reservoir is
too low. Risk of accident. Stop the vehicle and do not drive on. Obtain tech-
nical assistance.
14)Depending on the version of the model.
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Intelligent technology
182essential that you adjust your speed to suit the road and traffic conditions.
Do not let the extra safety features tempt you into taking any risks when
driving.Anti-lock brake system and traction control
M-ABS (ABS and TCS)Anti-lock brake system (ABS)
The anti-lock brake system prevents the wheels locking
during braking.The anti-lock brake system (ABS) is an important part of the vehicle's active
safety system.
How the ABS works
If one of the wheels is turns too slowly in relation to the road speed, and is
close to locking, the system will reduce the braking pressure for this wheel.
The driver is made aware of this control process by a pulsating of the brake
pedal and audible noise. This is a deliberate warning to the driver that one or
more of the wheels is tending to lock and the ABS control function has inter-
vened. In this situation it is important to keep the brake pedal fully depressed
so the ABS can regulate the brake application. Do not “pump”.
If you brake hard on a slippery road surface, the best possible control is
retained as the wheels do not lock.
However, ABS will not necessarily gu arantee shorter braking distances in all
conditions. The braking distance could even be longer if you brake on gravel
or on fresh snow covering a slippery surface.
WARNING
•The anti-lock brake system cannot defy the laws of physics. Slippery
and wet roads are dangerous even with ABS! If you notice that the ABS is
working (to counteract locked wheels under braking), you should reduce
speed immediately to suit the road and traffic conditions. Do not let the
extra safety features tempt you into taking any risks when driving.•The effectiveness of ABS is also determined by the tyres fitted
⇒ page 232.•If the running gear or brakes are modified, the effectiveness of the ABS
could be severely limited.
Traction control system (TCS)
The traction control system prevents the drive wheels from
spinning when the car is accelerating.Description and operation of the traction control system during acceleration
(TCS)
TCS reduces engine power to help prevent the drive wheels of front-wheel
drive vehicles losing traction during acceleration. The system works in the
entire speed range in conjunction with ABS. If a malfunction should occur in
the ABS, the TCS will also be out of action.
TCS helps the vehicle to start moving, accelerate and climb a gradient in slip-
pery conditions where this may otherwise be difficult or even impossible.
T h e T C S i s s wi tch e d o n a u t o m a t i ca ll y w h e n t h e e n g i n e i s s t a r te d . I f n e ce s sa r y,
it may be turned on or off pushing the button on the centre console.
When the TCS is off, the warning lamp is lit. The TCS should normally be left
switched on at all times. Only in exceptional circumstances, when slipping of
the wheels is required, should it be disconnected for example
WARNING (continued)
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