SEAT Leon Maintenance Guides - Common SEAT Leon Repair Questions Answered

The Seat Leon has been zooming along our roads for over two decades now and remains hugely popular to this day. 

We have compiled a handy guide for our SEAT Leon drivers that answers their most frequently asked questions.

Car Maintenance Guides>SEAT Leon Maintenance Guide

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SEAT Leon Tyre Pressure

What is the recommended tyre pressure of a SEAT Leon?

The tyre pressure of your SEAT Leon varies depending on the model year and country of manufacture.

The precise values can be found noted in your car owner’s manual or on the tyre placard stuck in your driver’s door interior. For the SEAT Leon recommended pressure tends to sit around 30 PSI.

Where can I check my SEAT Leon tyre pressure?

You can check SEAT Leon tyre pressure at home with a handheld tyre pressure gauge, which can be bought for around £10.

Being able to check and amend tyre pressures at home will increase likelihood of you passing your MOT and make driving safer.

Tyre pressure can also be checked at a petrol stations or by a mechanic at a garage.

What should I do once I see a tyre pressure warning?

The illumination of a tyre pressure warning light on your dashboard should prompt you to check your tyre pressure levels.

Once these are amended and indefinitely correct, the next point of call is to drive away to see if the light goes out. If it does, all is well.

If it remains illuminated, you likely either have a puncture or require a TPMS reset.

How do I reset a SEAT Leon tyre pressure light?

The tyre pressure light reset process varies model to model, often dependent upon car manufacture year.

For third generation SEAT Leon’s built between 2012 and 2017, the reset process is as follows:

Turn ignition to “ON” but do not start the engine

Open your glove box and locate the “SET” button which features the TPMS symbol identical to that on the warning light.

Press this “SET” button down until you hear a beep. This is now complete!


SEAT Leon Warning Lights

What do the warning lights mean on a SEAT Leon?

Warning lights have a colour system; blue or green symbols are informational informing you that a component or utility is active.

Amber or yellow lights alerts you of a component that needs looking over but is none-urgent.

Red lights, which also flash sometimes, indicate urgency and potentially serious problems.

If a red light illuminates, stop driving as soon as is safe, and seek assistance.

What does a SEAT Leon engine management warning light mean?

The engine management light illuminates in yellow and is also known as the check engine light. If the light remains on constant, there is likely a fault with the emissions control system.

If the light flashes, you likely have a fuel combustion fault which could potentially damage the catalytic converter.

Since the light may be an indication of various issues it is recommended that you consult a mechanic for assistance.

How to reset a SEAT Leon oil service warning light?

 The reset process for your oil service light will be specific to your model year and country of manufacture.

Therefore, for accuracy consult your car owner’s handbook for a comprehensive guide to the process.

For Seat LEON’s 2013-2015, the reset process is to:

Turn your ignition off

Press down the 0.0/SET button and hold it in

Turn ignition on but keep pressing down on above button

Release the 0.0/SET button, before pressing it again and hold for 20 seconds

After letting go of button, restart your engine to confirm the indicator has reset.

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SEAT Leon Service Intervals

When are SEAT Leon service intervals?

A full service is recommended every 12 months, or 10,000 miles whichever milestone falls first.

If you undertake an extremely high mileage, an interim service is advised at the 6 month mark to assess for further wear and tear. An annual oil change is also instructed. 


SEAT Leon Common Problems

Are footwell leaks common with the SEAT Leon?

If you are experiencing a footwell leak or general dampness there is likely an issue with the door seals.

This is a known issue with a number of Leon’s and can be resolved by ensuring the seal is fitted correctly, it may even require replacement.

Of course, you will need to dry the carpets out too to prevent damp from setting in.

Is high idling common on a SEAT Leon?

For a small number of SEAT Leon’s, coolant sensor failure has caused bouts of high idling. The solution to this issue would be coolant sensor replacement.

This procedure would need to be carried out by a trained mechanic, you can locate coolant SEAT specialists in our network. 


SEAT Leon Oil

What the best oil to use for a SEAT Leon?

SEAT recommend genuine oil for use in their vehicles as it has a thinner viscosity, this reduces friction and protects your engine.

Oil grade 5W-40 comes out as the most endorsed.

What is the oil capacity for a SEAT Leon?

Oil capacity across Leon’s varies greatly, a number of factors such as model year, country of manufacture and engine size will affect the size of your engine.

To find out the exact oil capacity of your vehicle, please refer to your owner’s handbook.

What to do if a SEAT Leon leaks oil?

An oil leak can vastly range in severity in terms of potential damage it can cause. Often the most difficult stage of fixing a leak is actually identifying the source.

Therefore, it is recommended that a leak specialist inspect the vehicle in order to receive an efficient diagnosis and repair. 

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SEAT Leon Car Battery

What are the symptoms of a dying car battery?

Your SEAT Leon’s car battery, like all other vehicles, will have an average lifespan of around 3-5 years.

Nonetheless, it can die prematurely and there are signs to look out for that indicate it’s on the horizon:

·        Slower-starting engine

·        Visual corrosion on connectors and a swollen battery cases

·        Check engine light is on

·        Bad rotten eggs smell under the bonnet

·        Dim lights and electrical issues

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