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Index Data Technology Repairs Maintenance Controls Overview
Master key with battery lamp
If light intensity drops, renew the
battery to safeguard against acid
escaping.
Battery change
1. Remove the cover on the back of the
key with a screwdriver
2. Insert a new battery (refer to the illus-
tration) of the same type (CR 2025)
so that it touches the contacts
3. Snap the cover into place and apply
uniform pressure to seat it.
365de132
Return used batteries to a
recycling point or to your BMW
center.<
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