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Home >> Volvo >> 2001 >> V40 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - On-Vehicle Adjustments >> Engine Mechanical >> Battery Disconnect/Reconnect Precautions >> Notes
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Battery Disconnect/Reconnect Precautions: Notes

CAUTION: Always disconnect the battery negative lead first. DO NOT disconnect positive lead in engine compartment first.
WARNING: The key must be in position No. 2 when the battery cable is connected. No one must be in vehicle when battery is connected. This is a safety precaution in case an airbag module activates when power is connected.