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Main menu Information/Function
"Security
information"
/
Door status.
Alarm system status.
After alarm triggering: date,
time, and reason for triggering
the alarm.
Window status.
Glass sunroof status.
"Vehicle
information"
Maintenance indicators of Con‐
dition Based Service CBS, refer
to page 334.
Status of the roadside parking
lights.
"Mobility info" Range with available fuel.
"Precondit.
setting"
With parked-car heating: oper‐
ate parked-car heating, refer to
page 243.
Without parked-car heating:
operate parked-car ventilation,
refer to page 243.
Display key battery
General information
Follow the following information:
▷ If the charge state of the display key battery
declines, the display is switched off automati‐
cally. The battery must be recharged so that
the display can be switched back on. The op‐
erability of the standard buttons is retained
until the battery is completely discharged.
▷ Charge the battery for at least three hours
before using the display key for the first time
or if the key has not been used for an ex‐
tended period.
▷ The display key can be used during charging
via the USB port. If the battery is fully dis‐
charged, it may take some time before the
display key can be used again.
▷ Due to the large number of USB chargers
available on the market, it cannot be guaran‐
teed that every charger will function properly.
The charging duration depends on the
charger used.
▷ Charging via the USB port may heat up the
charger and the display key.
Charging in the wireless charging tray may
heat up the tray and the display key.
At higher temperatures, the display key may
cause a reduction in the charging current,
and in isolated cases the charging process
may be interrupted temporarily.
▷ When inserting the display key into the wire‐
less charging tray, make sure there are no
objects between it and the wireless charging
tray.
Safety information
WARNING
When charging a device that meets the Qi
standard in the wireless charging tray, any
metal objects located between the device and
the tray can become very hot. If smart cards,
memory cards or cards with magnetic strips are
placed between the device and the tray, this
may impair card function. There is a risk of in‐
jury and risk of damage to property. When
charging mobile devices, make sure there are
no objects between the device and the tray.
Charging
Via USB
Connect the display key via the micro-USB
charging socket to a USB port.
Seite 83
Opening and closing
CONTROLS
83
Online Edition for Part no. 01402896703 - X/18
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