Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Adjust the Screen Brightness on Citroen C4

Model: Citroen C4 MK 3 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Onboard computer

See other generations:
Video tutorial

Let's see how to adjust the screen brightness on the Citroen C4: turn on the instrument panel and press the "home" button (the one with the house icon). At the top of the screen, below the clock, press on the "settings" option.

In the bottom left, select "options". Choose "screen configuration". Select "Screen Brightness" and a bar will appear: move it left or right to increase or decrease the brightness. Press "ok" to confirm.

Press "home" to return to the main screen to check if the change has taken effect and to see if you have achieved the desired effect.


Posted on 8 April 2026 by ScegliAuto


Related tutorials

How to change the time on a Citroen C4 Cactus
How to change the time on a Citroen C4 Cactus
Citroen C4 (2014-2020 / Cactus) In this video, we see how to change the time on a Citroen C4 Cactus, an operation that we must do from the multimedia screen: we must go to the right…
How do you set the clock on the Citroën C4?
How do you set the clock on the Citroën C4?
Citroen C4 (2010-2018 / MK 2) To adjust the clock of the Citroën C4, you need to turn on the instrument panel by inserting the ignition key into the corresponding slot: once the p…
How do you set the clock on the Citroën C4 Cactus?
How do you set the clock on the Citroën C4 Cactus?
Citroen C4 (2014-2020 / Cactus) The clock shown on the instrument panel of the Citroën C4 Cactus can be adjusted by turning on the instrument panel, so that it is possible to naviga…

    Frequently Asked Questions

    • C4 2010-2018 - Why does the display in the Citroen C4 no longer work? Read answer

How to Reset the SOS System Error on the Audi A4

This guide provides information on how to restore the functionality of the SOS emergency call system on the Audi A4. The SOS system is now available on almost all models from the manufacturer; one of the most common issues is related to the malfunction of the SOS system, for which we will outline possible solutions. The issue can sometimes be resolved by resetting the MMI multimedia system by holding down the power button; otherwise, it will be necessary to perform a diagnostic check at the nearest service center.

Watch the video!


by ScegliAuto

More videos