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Practical hints
Battery
Reconnecting the battery
̈ Turn off all electrical consumers.
̈ Connect the positive lead and fasten its
cover.
̈ Connect the negative lead.
̈ Reinstall the filter box (୴ page 303).
Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12 volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
!
NEVER invert the terminal connections!
!
The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
i
The following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):
ț Set the clock (୴ page 120)
Vehicles with COMAND*:
see COMAND operator’s manual.
ț Resynchronize the front seat head
restraints (
୴ page 94).
ț Resynchronize the ESP
(
୴ page 75).
ț Resynchronize side windows
(
୴ page 189).
ț Resynchronize sliding/pop-up
roof* (
୴ page 191).