Seat Leon useful guides
Lubrication
What is the purpose of the motor oil of your Leon?
What engine oil does your Leon need?
When do I have to change the motor oil of my Leon?
How much motor oil does your Leon need?
Transmission fluid
What is the transmission fluid of your Leon, and when should you change it?
When should you change the differential fluid of your Leon?
How much transmission fluid does my Leonneed?
What kind of transmission fluid does your Leon take?
OBD codes
What is the error code OBD II P0106?
Symptoms of your Leon‘s error code P0340
Electrical system
How to test your Leon‘s battery, step by step
How do I start my Leon with a dead battery?
Air conditioner
Which refrigerant do you need for the air conditioner of your Leon?
How does the air conditioner of your Leon work?
Why is the air conditioner of my Leon not working properly?
Other guides
Booster seats for children in your Leon: all you need to know
How to keep your Leon safe during extended periods without use
What do the technical specifications of your Leon’s engine mean?
What should you check on your Leon before a road trip?
What is the IAC valve of your Leon?
Exhaust smoke and its colors on a Leon: causes and severity
What styles of car bodies exist?
What is a fuse and what types can you find for your Leon?
What light bulbs fit your Leon?
Spark plugs
What kinds of spark plugs are there?
What kind of spark plugs does your Leon need?
What are spark plugs?
How do I change the spark plugs of my Leon?
Maintenance
What is the timing belt on a Leon?
What filters exist in your Leon and when should you replace them?
What is the serpentine belt of your Leon and when should you change it?
What is brake fluid and which one should you use for your Leon?
Warning lights
Why is the oil light on?
Why does your Leon’s engine overheat? Causes and solutions
What is the immobilizer on a Leon? Why does it fail?
What does the check engine light of your Leon mean?
What does the EPC (Electronic Power Control) light mean on a Leon?
Fuel
What is the fuel octane rating?
How to improve the fuel consumption of your Leon
Which type of fuel should you use in your Leon?
What are biofuels?
What types of fuel exist?
Steering fluid
What power steering fluid does your Leon need?
How to change the power steering fluid of your Leon?
Wheels
What kind of information is engraved in the tires of your Leon?
How to rotate the tires of your Leon?
What is the right tire pressure for your Leon?
How to change one of your Leon‘s wheels?
Sensors
What is the Throttle Position Sensor (TPS) of your Leon?
What is the MAP sensor of your Leon?
What is the oxygen sensor (or lambda sensor) of your Leon?
Airbags
How do your Leon‘s airbags work? What precautions should you take with them?
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