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Practical hints
Battery
Reconnecting the battery
̈ Turn off all electrical consumers.
̈ Connect the positive lead and fasten its
cover 2.
̈ Connect negative lead 3.
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 reconnect-
ing):
ț Set the clock (see COMAND opera-
tor’s manual).
ț Resynchronize the ESP
(
୴ page 316).
ț Resynchronize side windows
(
୴ page 198).
ț Resynchronize sliding/pop-up roof
(
୴ page 202).
ț Resynchronize rear seats if they
were adjusted five seconds or less
before the battery was disconnect-
ed .