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Vauxhall astra radio keeps switching on and off on its own

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  • tony567 Nov 15, 2008

    Even with the ignition off and the vehicle unoccupied,the CD player for no apparent reason is convinced a cd has been loaded and tries to read it. When it can't, it shows "error cd" and after a few seconds defaults to the radio. I'm returning the car in the morning to find that the radio has been playing away to itself all night ! Tried cleaning the cd and tried other options in the set-up menu but unable to cure it.

  • AstraSteve Dec 14, 2008

    Same here. Radio will give a CD read error and switch itself on randomly. Hey presto! Flat battery in the morning. Did anyone find a fix for this?

  • montagu Feb 28, 2009

    Me too. I've removed the radio. But I've heard that the cheapest solution is to keep a CD in the radio at all times. I'm gonna refit the radio tomorrow to give it a go. I have yet to find out whether this technical problem can actually be fixed. Certainly my local Vauxhall dealer - who acknowledged it was a common fault - only offered to replace it for a re-condition unit for £200!

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I had this problem for the last 2 weeks, didn't think much of it, but recently the car radio just turned on and off by itself, it decided to do so whilst the car was switched off and it drained my battery. After doing some tests with the Amp meter and removing the fuses for the radio and infotainment system the amps going through the batter went from about 0.7 to 0.001 (far more accpetable) - so the radio was draining the battery and randomly turning itself on/changing stations and the internal display system had stopped working.

after putting the fuses back in and re-testing the radio worked fine (almost like it had a full reset - no random turning on and off OR changing of radio stations)

the fuse box for my astra was next to the battery under the bonnet (see your car manual - I had lost mine so googled for it)

http://pdfcast.org/pdf/2006-vauxhall-astra-owners-manual-operation-safety-and-maintenance

PAGE (267 or 265)

but it seems yanking the fuses for the radio (FUSE number 35 and 36) seemed to fix it (been a few days and no flat battery) -

It maybe an intermitent fault, in which case i'll have it looked into, but as garages charge an arm and a leg i'd give this solution a go and if your battery is good all you need to do is remove the fuses and put them back after say a minute or so)

Posted on Jan 15, 2011

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I too have an astray mk5 fitted with a cd30 which kept switching on... sometimes it would change from radio to cd by itself I removed it from the car and removed the casing I then found the rotary disc switch at the top of the CD mech was carefully dismantled and cleaned .... a little silicon grease on the contacts reassembled refitted and fault now cleared...

Posted on Oct 11, 2013

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I have a Vauxhall 1.6 Astra, and the radio keep switching stations, have tried retunning all stations, but it still does it, funny thing is I took my car to Vauxhall yesterday because one of the gearbox mount bolts fell out and, asked them to check the radio, they told me they did a test drive and the radio was fine, yet I drove out of the garage turned left into the next road less than 100 yards and the radio changed station for no reason.

Posted on Mar 24, 2010

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