2012 Seat Altea XL sensor

196Intelligent technology
The ASR (TCS) is connected automatically when the engine starts. If neces-
sary, it may be turned on or off pushing the button on the centre console.
When the ASR (TCS) is disconnected, the warning lamp  OFF
lights up. The
TCS should normally be left on. Only in exceptional circumstances, when the
slipping of the wheels is required, should it be disconnected, for example
● With compact temporary spare wheel.
● When using the snow chains.
● When driving in deep snow or on loose surfaces
● When the vehicle is bogged-down, to free it by rocking.
The TCS should be switched on again as soon as possible.
WARNING
● Remember that the ASR (TCS) 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 roads and
the traffic situation. Do not let the extra safety afforded by ASR (TCS)
tempt you into taking any risks when driving.
CAUTION
● To ensure that the ASR (TCS) functions 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 engine power when this is not desired.
● Modifications to the vehicle (e.g. to the engine, the brake system, run-
ning gear or any components affecting the wheels and tyres) could affect
the efficiency of the ABS and ASR (TCS). XDS*
Driveshaft differential
When taking a bend, the driveshaft differential mechanism 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) receives 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
causes an overall loss of lateral grip on the front axle, resulting in under-
steer or “lengthening” of the trajectory.
By using the ESC (ESP) sensors and signals, the XDS system is able to de-
tect and correct this effect.
Through the ESC (ESP), the XDS brakes the inner wheel, thereby counteract-
ing the excess drive torque in this wheel. This means that the driver's de-
sired trajectory is much more precise,
The XDS system operates in combination with the ESC (ESP) and is always
active, even when the traction control ASR (TCS) is disconnected.

Electronic Stability Control ESC (ESP) *
General notes
The Electronic Stability Control increases the vehicle's stabil-
ity on the road. The Electronic Stability Control helps reduce the danger of skidding.
The Electronic Stability Control ESC (ESP) includes the ABS, EDL, ASR (TCS)
and Steering manoeuvre recommendations. 

197
Intelligent technology
Electronic Stability Control ESC (ESP)*
The ESC (ESP) reduces the danger of skidding by braking the wheels indi-
vidually.
The system uses the steering wheel angle and road speed to calculate the
changes of direction desired by the driver, and constantly compares them
with the actual behaviour of the vehicle. If the desired course is not being
maintained (for instance, if the vehicle is starting to skid), then the ESC
(ESP) compensates automatically by braking the appropriate wheel.
The forces acting on the braked wheel bring the vehicle back to a stable
condition. If the vehicle tends to oversteer, the system will act on the front
wheel on the outside of the turn.
Steering manoeuvre recommendations
This is a complementary safety function included in the ESC (ESP). This
function aids the driver to better stabilize the vehicle in a critical situation.
For example, in case of sudden braking surface with varied adherence, the
vehicle will tend to destabilise its trajectory to the right or to the left. In this
case the ESC (ESP) recognises the situation and helps the driver with a
counter steering manoeuvre from the power steering.
This function simply provides the driver with a recommended manoeuvre in
critical situations.
The vehicle does not steer itself with this function, the driver has full control
of the vehicle at all times.
WARNING
● Remember that ESC (ESP) 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 roads and
the traffic situation. Do not let the extra safety afforded by ESC (ESP)
tempt you into taking any risks when driving.
CAUTION
● To ensure that the ESC (ESP) functions 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 engine power when this is not desired.
● Modifications to the vehicle (e.g. to the engine, the brake system, run-
ning gear or any components affecting the wheels and tyres) could affect
the efficiency of the ABS, EDL, ESC (ESP) and ASR (TCS). 
Anti-lock brake system (ABS)
The anti-lock brake system prevents the wheels locking during braking
⇒ page 195. 
Electronic differential lock (EDL)*
The electronic differential lock helps prevent the loss of trac-
tion caused if one of the driven wheels starts spinning.
EDL helps the vehicle to start moving, accelerate and climb a gradient in
slippery conditions where this may otherwise be difficult or even impossi-
ble.
The system will control the revolutions of the drive wheels using the ABS
sensors (in case of an EDL fault the warning lamp for ABS lights up)
⇒ page 84.
At speeds of up to approximately 80 km/h, it is able to balance out differen-
ces in the speed of the driven wheels of approximately 100 rpm caused by a
slippery road surface on one side of the vehicle. It does this by braking the
wheel which has lost traction and distributing more driving force to the oth-
er driven wheel via the differential. 
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

248Wheels and tyres
2. The tyre pressures should only be checked when the tyres are
cold. The slightly raised pressures of warm tyres must not be re-
duced.
3. Adjust the tyre pressure to the load you are carrying.
Tyre pressure
The correct tyre pressure is especially important at high speeds. The pres-
sure should therefore be checked at least once a month and before starting
a journey.
The sticker with the tyre pressure values can be found on the inside of the
tank flap. The tyre pressure values given are for cold tyres. Do not reduce
the slightly raised pressures of warm tyres ⇒ 
.
WARNING
● Check the tyre pressure at least once per month. Checking the tyre
pressure is very important. If the tyre pressure is too high or too low,
there is an increased danger of accidents - particularly at high speeds.
● A tyre can easily burst if the pressure is too low, causing an accident!
● At continuously high speeds, a tyre with insufficient pressure flexes
more. In this way it becomes too hot, and this can cause tread separation
and tyre blow-out. Always observe the recommended tyre pressures.
● If the tyre pressure is too low or too high, the tyres will wear prema-
turely and the vehicle will not handle well. Risk of accident!
For the sake of the environment
Under-inflated tyres will increase fuel consumption. Tyre pressure monitoring
The tyre pressure monitoring system constantly checks the
pressure of the tyres.
The system uses the speed sensors of the ABS wheels. It operates by analy-
sing the speed and frequency spectrum of each wheel.
For optimum performance, use genuine SEAT tyres. In addition, check and
adjust tyre pressures regularly.
Whenever the tyre pressures are changed or one or more tyres are changed,
the system should be Reset by pressing the SET switch on the centre con-
sole.
The system warns the driver in the event of a loss of pressure by means of
symbols and messages in the instrument panel display. The system uses
ESC (ESP) ⇒ page 196.
Note that tyre pressure also depends on tyre temperature. Tyre pressure in-
creases about 0.1 bar for each 10 °C in tyre temperature increase. The tyre
heats up while the vehicle is being driven and the tyre pressure will rise ac-
cordingly. For this reason, you should only adjust the tyre pressures when
they are cold (i.e. approximately at ambient temperature).
To ensure that the tyre pressure monitoring system works reliably, you
should check and, if necessary, adjust the tyre pressures at regular intervals
and store the correct pressures (reference values) in the system.
A tyre pressure information label is attached to the inside of the fuel tank
flap. 

268If and when
Fuses on left side of dash panel
Fuses
NumberConsumerAmps1Vacant 2Vacant 3Vacant 4Vacant 5Vacant 6Vacant 7Vacant 8Vacant 9Airbag510RSE input (roof screen)1011Vacant 12Left xenon headlight10
13Instrument panel (oil level)/Cable control unit
(BCM)/Heater/ABS, ESC (ESP)/Park Pilot/Gate-
way/Flow meter5
14Gearbox/Power steering/Brake light sensor/Trail-
er/ABS, ESC (ESP)/Haldex/Light switch10
15Heated windscreen / Instrument lighting / Diag-
nosis switchboard/Engine management/Addi-
tional heating/AFS headlights/Park Pilot10
16Right xenon headlight10
17Engine management / RSE system with START
STOP10
18Kombi / levers with START STOP519Navigation/ radio with START STOP15
20Park Pilot (parking aid)/Gear lever/ESC (ESP) con-
trol unit10
NumberConsumerAmps21Vacant 22Volumetric alarm sensor/ Alarm horn523Diagnosis / Rain sensor / Light switch1024Trailer hook pre-installation assistant1525Vacant 26Vacuum pump2027RSE supply (Ceiling display) without START STOP1028Rear window wiper motor2029Vacant 30Cigarette lighter / socket2031Vacant 32Vacant 33Heater4034Vacant 35Vacant 36Vacant 37Vacant 38Vacant 39Trailer control unit (coupling)15
40Trailer control unit (turn signals, brakes and left
side)20
41Trailer control unit (fog light, reverse light and
right side)20
42BCM wiring switchboard2043Trailer pre-installation4044Heated rear window2545Electric windows (front)3046Rear electric windows3047Engine (Fuel control unit, petrol relay)15

269
If and when
NumberConsumerAmps48Convenience controls2049Heating controls4050Heated seats3051Sunroof2052Headlight washer system2053Trailer hook pre-installation assistant2054Taxi (taximeter power supply)555Trailer hook pre-installation assistant2056Taxi (transmitter power supply)1557Telephone power supply with START STOP1058Central locking control unit30
Some of the electrical items listed in the table are only fitted on certain
models or are optional extras.
Please note that the above list, while correct at the time of printing, is sub-
ject to alterations. If discrepancies should occur, please refer to the sticker
on the inside of the fuse cover for the correct information for your model. 
Fuses layout, engine compartment, left part
Fuses
NumberConsumerAmps1Windscreen wipers202DQ200 gearbox303Cable control unit54ABS205AQ gearbox156Instrument panel/Steering column5
NumberConsumerAmps7Ignition key408Radio159Telephone/TomTom Navigator5
10Engine management5Engine management1011Vacant 12Electronic control unit5
13Petrol injection module supply15Diesel injection module supply3014Coil20
15Engine management5Pump relay1016Right lighting3017Horn1518Vacant 19Clean30
20Water pump10Pressure sensor pump for 1.8 engine2021 a)Lambda probe1522Brake pedal, speed sensor5
23a)Engine management5Engine management10Engine management1524AKF, gearbox valve1025a)ABS pump4026Left lighting30
27a)Engine management40Engine management5028Vacant

Safety FirstOperating InstructionsPractical TipsTechnical Specifications

Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Multifunction display . . . . . . . . . . . . . . . . . . . . . 63
N
Number of seats . . . . . . . . . . . . . . . . . . . . . . . . . 19
O
Observations . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Octane number . . . . . . . . . . . . . . . . . . . . . . . . . 229
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Oil change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Oil properties . . . . . . . . . . . . . . . . . . . . . . . . . . 234
One-touch opening and closing Electric windows . . . . . . . . . . . . . . . . . . . . . 111
Opening and locking . . . . . . . . . . . . . . . . . . . . 108
Outside temperature display . . . . . . . . . . . . 65, 73
Overview Control lamps . . . . . . . . . . . . . . . . . . . . . . . . 77
Dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Indicator lamps . . . . . . . . . . . . . . . . . . . . . . 79
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . 57
Warning lamps . . . . . . . . . . . . . . . . . . . . 77, 79
P Paintwork Polishing . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 Parking lights . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Parking system . . . . . . . . . . . . . . . . . . . . . . . . . 187
Parking System Plus . . . . . . . . . . . . . . . . . . . . . 188
Passenger
see Correct sitting position . . . . . . . 10, 11, 12
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Driving abroad . . . . . . . . . . . . . . . . . . . . . . 207
Petrol additives . . . . . . . . . . . . . . . . . . . . . . . . 229
Physical principles of a frontal collision . . . . . . 21
Plastic parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Plastic parts cleaning . . . . . . . . . . . . . . . . . . . . 218
Pollen filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Pollution filter . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Power steering . . . . . . . . . . . . . . . . . . . . . . . . . 200
Products for vehicle maintenance . . . . . . . . . . 212
R Radio frequency remote control . . . . . . . . . . . 104 Changing the battery . . . . . . . . . . . . . . . . . 105
Radio navigation steering wheel controls Audio version . . . . . . . . . . . . . . . . . . . . . . . . 95
Audio + telephone version . . . . . . . . . . . . . . 95
Rain sensor* . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Rear drink holder* Armrest* . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Rear fog light Indicator lamp . . . . . . . . . . . . . . . . . . . . . . . 82
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 115
Rear interior lights . . . . . . . . . . . . . . . . . . . . . . 125
Rear reading lights . . . . . . . . . . . . . . . . . . . . . . 125 Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Rear window automatic wiper/washer . . . . . . 130
Rear window wiper . . . . . . . . . . . . . . . . . . . . . . 130
Recommended gear display . . . . . . . . . . . . . . . 62
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Registration light . . . . . . . . . . . . . . . . . . . . . . . 278
Remote control key
Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Synchronising . . . . . . . . . . . . . . . . . . . . . . . 105
Removing and fitting the wheel . . . . . . . . . . . 262
Repairs Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Replacement keys . . . . . . . . . . . . . . . . . . . . . . 103
Replacement of parts . . . . . . . . . . . . . . . . . . . . 221
Rev counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Reverse gear Manual gearbox . . . . . . . . . . . . . . . . . . . . . 179
Roll-back function Sliding/tilting sunroof . . . . . . . . . . . . . . . . 114
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Roof aerial* . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Roof rack* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Roof storage compartment* . . . . . . . . . . . . . . 143
Rubber seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Run-flat tyres . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Running in Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
308 Index

TankFuel level . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Reserve indicator . . . . . . . . . . . . . . . . . . . . . 58
Tank capacity . . . . . . . . . . . . . . . . . . . . . . . . 58
TCS see ASR . . . . . . . . . . . . . . . . . . . . . . . . . 89, 195
Technical modifications . . . . . . . . . . . . . . . . . . 221
The danger of not using the seat belt . . . . . . . . 22
Tilting sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 112
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Top Tether system . . . . . . . . . . . . . . . . . . . . . . . 52
Tow-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Towing a trailer . . . . . . . . . . . . . . . . . . . . . . . . . 287
Towing bracket . . . . . . . . . . . . . . . . . . . . . . . . . 209
Towing bracket, fitting . . . . . . . . . . . . . . . . . . . 209
Towing eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Traction control system Control lamp . . . . . . . . . . . . . . . . . . . . . . . . . 89
Trailer Trailer towing . . . . . . . . . . . . . . . . . . . . . . . 208
Trailer turn signals Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 122
Trailer weights . . . . . . . . . . . . . . . . . . . . . . . . . 287
Turn signals . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Indicator lamp . . . . . . . . . . . . . . . . . . . . . . . 83
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 122
Tyre Mobility-System (Tyre repair kit) . . . . . . . 257
Tyre Mobility System (Tyre repair kit) . . . . . . . 263
Tyre pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 247 Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Tyre pressure monitoring . . . . . . . . . . . . . . . . . 248 Tyre pressure warning lamp . . . . . . . . . . . . . . . . 85
Tyre repair kit . . . . . . . . . . . . . . . . . . . . . . 257, 263
Tyres and wheels
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 252
Tyres service life . . . . . . . . . . . . . . . . . . . . . . . . 249
Tyres tread depth . . . . . . . . . . . . . . . . . . . . . . . 250
Tyres with directional tread pattern . . . . . . . . 247
U Underbody protection . . . . . . . . . . . . . . . . . . . 217
Unlocking and locking Personalisation . . . . . . . . . . . . . . . . . . . . . 100
V Vehicle battery . . . . . . . . . . . . . . . . . . . . . . . . . 244
Vehicle data . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Vehicle identification data . . . . . . . . . . . . . . . . 286
Vehicle identification number . . . . . . . . . . . . . 286
Vehicle modifications . . . . . . . . . . . . . . . . . . . 221
Vehicle paintwork Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 215
Products for vehicle maintenance . . . . . . . 212
Vehicle tools Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Vehicle washing . . . . . . . . . . . . . . . . . . . . . . . . 213
Ventilation slits . . . . . . . . . . . . . . . . . . . . . . . . . 18
Volumetric sensor* Activation . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Deactivation . . . . . . . . . . . . . . . . . . . . . . . . 106 W
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Warning lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Warning messages in the display . . . . . . . . . . . 66
Warning reports Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66, 80
Yellow . . . . . . . . . . . . . . . . . . . . . . . . . . . 66, 80
Warning symbols . . . . . . . . . . . . . . . . . . . . . . . . 80
Warning triangle and first-aid kit . . . . . . . . . . 152
Washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Washing by hand . . . . . . . . . . . . . . . . . . . . . . . 213
Washing the vehicle . . . . . . . . . . . . . . . . . . . . . 213
Washing with high pressure cleaners . . . . . . . 214
Water Warning message . . . . . . . . . . . . . . . . . . . . . 67
Water in the windscreen washer tank . . . . . . . 239
Wear indicators . . . . . . . . . . . . . . . . . . . . . . . . 250
Wearing suitable shoes . . . . . . . . . . . . . . . . . . . 16
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Tightening torque . . . . . . . . . . . . . . . . . . . . 253
Wheel change . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Wheel trims . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Why assume the correct sitting position? . . . . . 30
Why should head restraints be correctly adjus- ted? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Why wear seat belts? . . . . . . . . . . . . . . . 19, 21, 30
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Windscreen washer fluid Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 84
310 Index