V70R L5-2.5L Turbo VIN 52 B5254T4 (2007)
at least five minutes. Then disconnect the battery negative lead before disassembling any of the connectors.
Steering wheel mounted remote control for the radio
Preparations
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Turn the ignition key to position 0
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Remove the ignition key.
Note! Wait at least five minutes before disassembling the connectors or removing other equipment.
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Disconnect the battery negative lead.
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Turn the steering wheel 90° so that is in the position illustrated and so that the two holes on the reverse of the steering wheel are accessible.