00 00... Battery: Checking Display. If Necessary, Recharge Battery.
WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Observe safety instructions for handling vehicle battery.
Vehicles with low-maintenance battery:
Check acid level, top up with distilled water if necessary
If level drops below Max. marking, top up distilled water to Max. marking.
Vehicles with maintenance-free battery:
Check charge start by way of magic eye
Issue a separate invoice if the battery is recharged.