Question about 1995 Volvo 850
New battery and radio displays ''CODE''
Well, it might seem obvious but you need to input the code which on my Volvo 850 is a four digit number. I'm assuming this is a used car, so you need to get the code from the previous owner, or if this is not possible, contact the manufacturer directly to see if they can help you. Good luck.
Posted on Mar 15, 2009
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Posted on Jan 02, 2017
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Apr 03, 2014 | 2001 Chevrolet S-10
ENTERING SECURITY CODE
Most vehicles are equipped with Heidelberg V or VI radios that are equipped with a theft protection program. When the battery has been is disconnected or if the radio has been removed, the radio will lock-up electronically and cannot be operated until the security code is entered. On the Heidelberg V, if the proper code is not entered in six attempts, the radio will lock-up permanently and cannot be repaired. On the Heidelberg VI, two incorrect attempts will lock the radio for about 1 hour.
The Heidelberg V may have a code assigned at the factory or a personal code created by the owner. The Hiedelberg VI has a code assigned at the factory and entered by the dealer during pre-delivery inspection. New radios come with the code printed on a sticker but not entered into memory. All codes are 4 digits. To code the radio:
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