00 00 ... Battery: Checking display. If necessary, recharge battery.

IMPORTANT: Observe safety instructions for handling vehicle battery. Refer to 61 00 ... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY- 545i (4.4L) E60/N62 .

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.

IMPORTANT: For information on how to proceed, refer to 61 00 ... BATTERY CHARGING . Issue a separate invoice if the battery is recharged.