Audi S3 useful guides
Lubrication
What is the purpose of the motor oil of your S3?
What engine oil does your S3 need?
When do I have to change the motor oil of my S3?
How much motor oil does your S3 need?
Transmission fluid
What is the transmission fluid of your S3, and when should you change it?
When should you change the differential fluid of your S3?
How much transmission fluid does my S3need?
What kind of transmission fluid does your S3 take?
OBD codes
What is the error code OBD II P0106?
Symptoms of your S3‘s error code P0340
Electrical system
How to test your S3‘s battery, step by step
How do I start my S3 with a dead battery?
Air conditioner
Which refrigerant do you need for the air conditioner of your S3?
How does the air conditioner of your S3 work?
Why is the air conditioner of my S3 not working properly?
Other guides
Booster seats for children in your S3: all you need to know
How to keep your S3 safe during extended periods without use
What do the technical specifications of your S3’s engine mean?
What should you check on your S3 before a road trip?
What is the IAC valve of your S3?
Exhaust smoke and its colors on a S3: causes and severity
What styles of car bodies exist?
What is a fuse and what types can you find for your S3?
What light bulbs fit your S3?
Spark plugs
What kinds of spark plugs are there?
What kind of spark plugs does your S3 need?
What are spark plugs?
How do I change the spark plugs of my S3?
Maintenance
What is the timing belt on a S3?
What filters exist in your S3 and when should you replace them?
What is the serpentine belt of your S3 and when should you change it?
What is brake fluid and which one should you use for your S3?
Warning lights
Why is the oil light on?
Why does your S3’s engine overheat? Causes and solutions
What is the immobilizer on a S3? Why does it fail?
What does the check engine light of your S3 mean?
What does the EPC (Electronic Power Control) light mean on a S3?
Fuel
What is the fuel octane rating?
How to improve the fuel consumption of your S3
Which type of fuel should you use in your S3?
What are biofuels?
What types of fuel exist?
Steering fluid
What power steering fluid does your S3 need?
How to change the power steering fluid of your S3?
Wheels
What kind of information is engraved in the tires of your S3?
How to rotate the tires of your S3?
What is the right tire pressure for your S3?
How to change one of your S3‘s wheels?
Sensors
What is the Throttle Position Sensor (TPS) of your S3?
What is the MAP sensor of your S3?
What is the oxygen sensor (or lambda sensor) of your S3?
Airbags
How do your S3‘s airbags work? What precautions should you take with them?
