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Frequently asked questions about cars and motorcycles

How to Access the Secret Climate Control Menu on the Audi A4?

Model: Audi A4 B5 - Years 1994-2000
Part: A/C controls

To access the secret climate control menu on the Audi A4, press and hold the up arrow button and the button with the car icon simultaneously. This will cause the internal temperature display to disappear and a number with the letter C will appear. By selecting a specific number using the button with the car icon, you can access a secret functionality of the menu: for example, number 17 will show the engine RPM. All climate control functionalities will be listed alongside their corresponding numbers.

Updated on 13 May 2026 by ScegliAuto

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How to Replace the Remote Battery for the Volvo XC40?

In this tutorial, you will see how to replace the battery in the remote for the Volvo XC40, a very simple and quick operation. For this, you will need a replacement battery of type CR2032 and possibly a small flathead screwdriver. First, remove the front cover by pressing the button on the metal ring, then locate the second button, press it as well, and remove the opposite cover. Next, open the circular cap, take out the old battery, and insert the new one in the opposite direction. Finally, reassemble everything.

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