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C4 - DS4 Owners :: Forums :: Coupe and Hatch Pre 2011 cars :: Technical Questions

Reverse warning sounds

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Author Post
eddierodden   
Wed Jun 17 2026, 03:33pm
Member No: #47894
Joined: Mar 21 2017
Location: Swindon
are there any hacks to switch this off as it cannot be done on the dashboard anywhere.
Citroen c4 MK2 2011
Nickbrown123   
Sun Jul 12 2026, 09:26am
Member No: #61140
Joined: Sep 03 2023
Location: Zagreb, Croatia
eddierodden wrote ...

are there any hacks to switch this off as it cannot be done on the dashboard anywhere.

You're right, there isn't a setting in the standard menus for that. Usually, you would need to use something like Diagbox or Lexia to access the deeper ECU configuration to disable the buzzer. It might be worth checking if anyone in your local area has the software to help you out.
 

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