2012 Seat Leon 5D catalytic converter

214Checking and refilling levels
–As soon as the oil level is in area B
, carefully close the cap.
The position of the oil filler opening is shown in the corresponding engine
compartment illustration ⇒ page 267.
Engine oil specification ⇒ page 211.
WARNING
Oil is highly inflammable! Ensure that no oil comes into contact with hot
engine components when topping up.
CAUTION
If the oil level is above the area A do not start the engine. This could result
in damage to the engine and catalytic converter. Contact a specialised work-
shop.
For the sake of the environment
The oil level must never be above area A. Otherwise oil can be drawn in
through the crankcase breather and escape into the atmosphere via the ex-
haust system. 
Changing engine oil
The engine oil must be changed at the intervals given in the
service schedule. We recommend that you have the engine oil changed by a Technical Serv-
ice.
The oil change intervals are shown in the Maintenance Programme.
WARNING
Only change the engine oil yourself if you have the specialist knowledge
required!
● Before opening the bonnet, read and observe the warnings
⇒ page 209.
● Wait for the engine to cool down. Hot oil may cause burn injuries.
● Wear eye protection to avoid injuries, such as acid burns, caused by
splashes of oil.
● When removing the oil drain plug with your fingers, keep your arm
horizontal to help prevent oil from running down your arm.
● Wash your skin thoroughly if it comes into contact with engine oil.
● Engine oil is poisonous! Used oil must be stored in a safe place out of
the reach of children.
CAUTION
No additives should be used with engine oil. This could result in engine
damage. Any damage caused by the use of such additives would not be
covered by the factory warranty.
For the sake of the environment
● Because of the disposal problems, the necessary special tools and spe-
cialist knowledge required, we recommend that you have the engine oil and
filter changed by a Technical Service.
● Never pour oil down drains or into the ground.
● Use a suitable container when draining the used oil. It must be large
enough to hold all the engine oil. 

247
Emergencies
Tow-starting
As a general rule, tow-starting is not recommended.
– Engage 2nd or 3rd gear before moving off.
– Press the clutch and hold the pedal down.
– Switch the ignition on.
– Once both vehicles are moving, release the clutch.
– As soon as the engine starts: press the clutch and put the gear
lever in neutral.
If the engine will not start, it is best to try starting it using the battery of an-
other vehicle ⇒ page 241 before attempting to tow start. You should only try
to tow-start the engine if jump starting is not successful. Tow-starting is an
attempt to start the engine via the movement of the wheels.
When tow-starting a vehicle with a petrol engine, do not tow it more than a
short distance, otherwise sunburnt fuel can enter the catalytic converter and
cause damage.
WARNING
The risk of accidents is high when tow-starting, as the towed vehicle can
easily be driven into the towing vehicle.
CAUTION
Do not tow vehicles for more than 50 m. Risk of damage to the catalytic con-
verter. Towing vehicles with a manual gearbox
Towing is relatively straightforward.
Please observe the relevant instructions ⇒ page 244.
The vehicle can be towed using a tow bar or tow rope in the normal way,
with all four wheels on the road; it can also be towed with either the front or
rear wheels lifted off the road. The maximum towing speed is 50 km/h (30
mph). 
Towing a vehicle equipped with automatic gearbox
Certain restrictions must be observed when towing your ve-
hicle. Please observe the relevant instructions ⇒ page 244.
The vehicle can be towed with a tow bar or tow rope in the normal way, with
all four wheels on the ground. When doing so, please note the following
points:
● Make sure the selector lever is in the N position.
● The vehicle must not be towed faster than 50 km/h (30 mph).
● The vehicle must not be towed further than 50 km (30 miles). Reason:
when the engine is not running, the gearbox oil pump does not work and
the gearbox is not adequately lubricated for higher speeds or longer distan-
ces.
If the vehicle has to be towed with a breakdown truck, it must only be sus-
pended at the front wheels. Reason: the drive shafts are located on the front
wheels. If the car is towed with the rear wheels lifted off the road (I.e. travel-
ling backwards), the drive shafts also turn backwards. The planetary gears
in the automatic gearbox then turn at such high speeds that the gearbox
will be severely damaged in a short time. 
Safety FirstOperating instructionsPractical TipsTechnical specifications

Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 217
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . . 185
New brake pads . . . . . . . . . . . . . . . . . . . . . 185
Braking Brake assist system . . . . . . . . . . . . . . . . . . 183
Moving off on a hill . . . . . . . . . . . . . . . . . . 148
C
Carbon components: Cleaning . . . . . . . . . . . . 200
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Care of vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 198
Care (paint care) . . . . . . . . . . . . . . . . . . . . . . . . 200
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 190
CD-ROM reader (navigation) . . . . . . . . . . . . . . 130
Central locking Anti-theft alarm . . . . . . . . . . . . . . . . . . . . . . 93
Central locking switch . . . . . . . . . . . . . . . . . 93
Electric windows . . . . . . . . . . . . . . . . . . . . . 101
Programming . . . . . . . . . . . . . . . . . . . . . . . . 92
Remote control key . . . . . . . . . . . . . . . . . . . . 91
Selective unlocking system . . . . . . . . . . . . . 91
Sliding/tilting sunroof . . . . . . . . . . . . . . . . 101
Central locking system . . . . . . . . . . . . . . . . . . . . 86 Manual locking in an emergency . . . . . . . . 97
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Cetane number (Diesel fuel) . . . . . . . . . . . . . . 207
Changing Windscreen and rear window wiper blades . .221
Changing a bulb . . . . . . . . . . . . . . . . . . . . . . . . 252 Bulb sizes . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Changing gear
Engaging gears (manual gearbox) . . . . . . 152
Manual gearbox . . . . . . . . . . . . . . . . . . . . . 152
Changing main headlight main beam . . . . . . . . . . . . . . . . . . . . . . . . . 255
turn signal . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Changing main headlight bulbs daylight bulb . . . . . . . . . . . . . . . . . . . . . . . 254
Dipped beam . . . . . . . . . . . . . . . . . . . . . . . 254
Changing the battery of the vehicle key . . . . . . . . . . . . . . . . . . . . . 90
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 264
Child-proof lock Electric windows . . . . . . . . . . . . . . . . . . . . . 100
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Child seat Categorisation in groups . . . . . . . . . . . . . . . 49
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 49
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 47
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 54
on the front passenger seat . . . . . . . . . . . . . 31
Top Tether system . . . . . . . . . . . . . . . . . 54, 55
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 Alcantara . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Carbon components . . . . . . . . . . . . . . . . . . 200
Display/Easy Connect control panel . . . . . 202
Exhaust pipe . . . . . . . . . . . . . . . . . . . . . . . . 201 Leather . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Plastic parts . . . . . . . . . . . . . . . . . . . . 200, 202
Radio display . . . . . . . . . . . . . . . . . . . . . . . 202
Rims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Trim parts . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Trims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Washing the vehicle . . . . . . . . . . . . . . . . . . 198
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Windscreen and rear window wiper blades . .221
Cleaning/De-icing the windows . . . . . . . . . . . 201
Cleaning the rims . . . . . . . . . . . . . . . . . . . . . . . 201
Cleaning the upholstery Natural leather . . . . . . . . . . . . . . . . . . . . . . 203
Closing Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Panoramic sliding sunroof . . . . . . . . . . . . . 103
Panoramic sunroof . . . . . . . . . . . . . . . . . . . 103
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Clutch (warning lamp) . . . . . . . . . . . . . . . . . . . 162
Coming Home . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . 129
Consumption (fuel) . . . . . . . . . . . . . . . . . . . . . 264
Control lamp Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 33
Cruise control . . . . . . . . . . . . . . . . . . . . . . . 164
Tyre monitor indicator warning lamp . . . . 175
Tyre monitoring systems . . . . . . . . . . . . . . 175
Windscreen wiper fluid level . . . . . . . . . . . 117
Control lamps Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Control of function Rain sensor . . . . . . . . . . . . . . . . . . . . . . . . . 120
278 Index

Gearshift paddles (automatic gearbox) . . . . . 159
General overview of the engine compartment 267
GlassCleaning/De-icing . . . . . . . . . . . . . . . . . . . 201
Glove compartment . . . . . . . . . . . . . . . . . . . . . 130 Multiple CD loader . . . . . . . . . . . . . . . . . . . 130
Glove compartment lighting . . . . . . . . . . . . . . 115
H Handbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 147
Hazard warning lights . . . . . . . . . . . . . . . . . . . 110
Headlight range control . . . . . . . . . . . . . . . . . . 114
Headlights Changing a bulb . . . . . . . . . . . . . . . . . . . . . 252
Dipped beam headlights . . . . . . . . . . . . . . 108
Driving abroad . . . . . . . . . . . . . . . . . . . . . . 112
Headlight control . . . . . . . . . . . . . . . . . . . . 108
Headlight washers . . . . . . . . . . . . . . . . . . . 119
Side light . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Heated rear window . . . . . . . . . . . . . . . . . 136, 138
Hill hold assist . . . . . . . . . . . . . . . . . . . . . . . . . 148 see also Hill hold assist . . . . . . . . . . . . . . . 148
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
How to jump start description . . . . . . . . . . . . . 242
I
Identification plate . . . . . . . . . . . . . . . . . . . . . . 264
Identifying letters of engine . . . . . . . . . . . . . . 264
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Increase capacity
of luggage compartment . . . . . . . . . . . . . . 132
Indicator Vehicle key . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Inertia mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Information on emissions . . . . . . . . . . . . . . . . 264
Inspection service . . . . . . . . . . . . . . . . . . . . . . 211
Installation of exhaust gas filtration systems Catalytic converter . . . . . . . . . . . . . . . . . . . 190
Particulate filter Diesel . . . . . . . . . . . . . . . . 190
Instrument cluster . . . . . . . . . . . . . . . . . . . . . . . 61
Instrument panel . . . . . . . . . . . . . . . . . . . . . . . . 61 Display . . . . . . . . . . . . . . . . . . . . . . . . . . 61, 62
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . 61
Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Service interval display . . . . . . . . . . . . . . . . 65
Instrument panel lighting . . . . . . . . . . . . . . . . 114
Interior anti-dazzle rear vision mirrors . . . . . . 123
Interior monitoring . . . . . . . . . . . . . . . . . . . . . . . 95
Interior rear vision mirror see Rear vision mirrors . . . . . . . . . . . . . . . . 123
ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
J
Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232 Mounting points . . . . . . . . . . . . . . . . . . . . . 238
Jump leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Jump starting . . . . . . . . . . . . . . . . . . . . . . . . . . 241 K
Key Driver messages (mechanical contact) . . . 145
Unlocking/Locking . . . . . . . . . . . . . . . . . . . . 91
Keys Assigning a key . . . . . . . . . . . . . . . . . . . . . . 88
Changing the battery (vehicle key) . . . . . . . 90
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Locking/Unlocking . . . . . . . . . . . . . . . . . . . . 97
Remote control . . . . . . . . . . . . . . . . . . . . . . . 88
Spare key . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Vehicle key . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Kick-down Manual gearbox . . . . . . . . . . . . . . . . . . . . . 146
Kick-down feature Automatic gearbox . . . . . . . . . . . . . . . . . . . 160
Knee airbag See "Airbag system" . . . . . . . . . . . . . . . . . . 38
L
Lamps Audible warnings . . . . . . . . . . . . . . . . . . . . . 69
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . 69
Warning lamps . . . . . . . . . . . . . . . . . . . . . . . 69
Lane Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Cleaning the camera area . . . . . . . . . . . . . 199
Lane Assist system see Lane Assist . . . . . . . . . . . . . . . . . . . . . . 168
Launch Control Programme (automatic gear- box) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
281
Index