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Does the radio have a separate battery for memory ?
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jannelehtimaki   
Mon Sep 23 2019, 07:26am
Joined: Jul 24 2013
Member No: #1374
Location: Finland
 Hi,

My radio (on 2009 3.0 Hdi) seems to loose the pairing with cars VIN-number on cold mornings (=> the beep from loudspeakers). After driving some time and restart of the car its all ok again.

Would like to know if there is a failing lithium battery or something similar that can be replaced or do I face a failing soldering etc. issues that need electronic professionals input.
CitroSuède   
Tue Oct 29 2024, 10:35am

Joined: Feb 12 2014
Member No: #1582
Location: Gothenburg
 Hi!
Did you find any answer to this?
I have a similar problem with my car, same loud beeping but it's intermittent. Always comes together with no temperature monitoring for the heating and sometimes no parking sensors working.
Greetings, Chris
Tjensen   
Tue Oct 29 2024, 11:42am

Joined: Jul 17 2012
Member No: #954
Location: Bergen
 Can it be a harddisk/restart problem ? For a long period I had black screen, then restart. An after restart some services was out and needed to be installed again. After new harddisk the problem disappeared.
AndreSMCXXMC6   
Wed Oct 30 2024, 04:21pm

Joined: Sep 09 2011
Member No: #615
Location: Groesbeek
 There is actually a separate battery in the RT4 / 5 radio
jannelehtimaki   
Thu Aug 21 2025, 12:42pm
Joined: Jul 24 2013
Member No: #1374
Location: Finland
CitroSuède wrote ...

Hi!
Did you find any answer to this?
I have a similar problem with my car, same loud beeping but it's intermittent. Always comes together with no temperature monitoring for the heating and sometimes no parking sensors working.
Greetings, Chris



Mee too, -have anyone found a solution ?
jannelehtimaki   
Thu Aug 21 2025, 01:11pm
Joined: Jul 24 2013
Member No: #1374
Location: Finland
AndreSMCXXMC6 wrote ...

There is actually a separate battery in the RT4 / 5 radio



Thanks, have you any idea how to access the battery ?
 

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