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Practical hints
Batteries
Reconnecting the battery
̈ Turn off all electrical consumers.
̈ Remove SmartKey from starter switch.
̈ Connect the positive lead and fasten its
cover.
̈ Connect the negative lead.
̈ Install the luggage box (୴ page 423).
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!
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 168)
(see COMAND operator’s manual).
ț Resynchronize the ESP
®
(
୴ page 391).
ț Resynchronize the side windows
(
୴ page 233).
ț Resynchronize the tilt/sliding sun-
roof* (
୴ page 238) or the tilt/slid-
ing panel* (
୴ page 242).