Audi A5 Maintenance Guides - Common Audi A5 Repair Questions Answered

Audi have been manufacturing the compact executive A5 since 2007; a model renowned for its safety as well as its sleek interior.

Who Can Fix My Car have compiled a driver's guide answering the most commonly asked Audi A5 questions. 

Car Maintenance Guides>Audi A5 Maintenance Guide

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Audi A5 Tyre Pressure

What is the recommended tyre pressure of an Audi A5?

The recommended tyre pressure of an Audi A5 (2017) sits at 2.2 bar which is equal to 32 psi.

The tyre pressure of your vehicle will vary dependent on your car model year and country of manufacture.

Therefore, it is best to consult your car owner’s manual or tyre placard (driver’s door interior) before amending pressure.

Where can I check my Audi A5 tyre pressure?

The tyre pressure of your Audi A5 can be checked of course by a mechanic or yourself at a petrol station where there are designated points to check and amend pressure levels.

You can also check tyre pressure at home with the use of a handheld pressure gauge, which can be purchased for around a tenner.


To check tyre pressure with a gauge:

Remove tyre valve cap

Place pressure gauge onto the valve stem, press down until hissing sound disappears

Your gauge should show a reading, make a note of this then remove gauge and reattach valve cap

Repeat this process for all four tyres.


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

Once the tyre pressure warning light illuminates on your dashboard, the first point of call is to check your tyre pressure levels, which you can do with one of the aforementioned methods.

Once checked and amended to the correct pressure, start up your engine and drive away slowly.

The light should go off, if it remains on you may either have a puncture that needs repair, or a faulty TPMS light that needs reset. 

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How do I reset a Audi A5 tyre pressure light?

The procedure for resetting your Audi A5 TPMS light varies within the model series.


However, the general process for Audi cars is:

Turn ignition on, but do not start the engine

Press car function button on the MMI control panel, choose systems control button

Select “Servicing and Checks”, then “Tyre Pressure Monitoring”

Now choose “store tyre pressures”, then “Yes, store now” to confirm

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Audi A5 Warning Lights

What do the warning lights mean on an Audi A5?

Your Audi warning lights that sit on the dashboard have corresponding meanings to different car components to alert or inform you.

The Audi A5 warning lights, like many other cars, follow a traffic lights system. Red warning lights should cause you to pull over as soon as is safe as it indicates a more severe issue.

Yellow or amber lights tell the driver that some action is required but there is no urgency, inspect the corresponding area efficiently though to prevent problems developing.


What does an Audi A5 engine management warning light mean?

 The illumination of your engine management light (resembles an engine outline on your dashboard) indicates a fault/issue with your emissions system.

If the light flashes, you have a more urgent issue on your hands; drive on with as light an engine load as possible then have your vehicle looked at by a mechanic as soon as possible.


What does the Audi A5 anti-lock brake system warning light mean?

The ABS warning light should cause you to avoid sharp braking as much as possible as your braking force reinforcement is likely faulty.

Stop your car as safely as possible, allowing for a longer braking distance. Seek assistance from a mechanic promptly.

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Audi A5 Service Intervals

When are Audi A5 service intervals?

Audi recommends a full service for your A5 every 12 months or 12,000 miles whichever comes soonest.

If you undertake an extremely high mileage (especially lots of shorter journeys in urban areas), Audi would also recommend an interim service at the six month mark.

Regular car servicing adds resale value and also improves the longevity of your car’s components. 

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Audi A5 Common Problems

Are low coolant levels common with the Audi A5?

Extremely low coolant levels may be the result of EGR valve cooler problems or the coolant pump.

The component out of these which is affecting coolant levels must be replaced to resolve the issue. They are expensive to replace but should provide a long-lasting solution.


Are air con issues common with the Audi A5?

If your air con isn’t blowing out icy air when on the coldest setting, you have likely run out of gas.

The resolution for this issue would be to have the air conditioning system re-gassed; this will have to be done by a mechanic. 

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Audi A5 Oil

What the best oil to use for an Audi A5?

For the Audi A5, the best oil to use is fully synthetic motor oil, preferably one of the grade 5W-40. Fully synthetic oil is high performance and can be used all year long.


What is the oil capacity for an Audi A5?

The oil capacity of your vehicle depends heavily on the model year and series, the accurate capacity value for your car can be found in your car owner’s manual.

Therefore, always refer to this document before checking or subsequently topping up your oil levels.

Remember, your car should receive an oil change every 12 months.


What to do if an Audi A5 leaks oil?

An oil leak in your Audi A5 should prompt you to contact an Audi A5 leak specialist as soon as you can. 

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Audi A5 Car Battery

What are the symptoms of a dying car battery?

The car battery in your Audi A5, like most vehicles, will have an average lifespan of 3-5 years.

However, your battery can die prematurely and need replacement; which cost-wise can be a burden if unexpected.

There are signs to look out for that signify battery failure and should prompt you to contact a mechanic.

If a battery replacement price is a little scary, many of our garages offer payment assist which allows you to spread the cost of your car repairs across four interest-free instalments.


Signs of battery failure:

Audi battery warning light illuminated on your dash

Corrosion on battery connectors

A swollen or misshapen battery case

Headlights are dimmer

Electronics are not functioning as well

Car makes a click noise when you turn the key

Engine is slower starting

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