BMW X4 Owner's Manual page 84

CONTROLS
3. Push battery in arrow direction using a
pointed object and lift it out.
4. Insert a type CR 2032 3V battery with the
positive side facing up.
5. Press the cover closed.
6. Push the integrated key into the vehicle key
until the integrated key engages.
Have old batteries disposed of by a deal‐
er's service center or another qualified
service center or repair shop or take
them to a collection point.
Additional vehicle keys
Additional vehicle keys are available from a serv‐
ice center or another qualified service center or
repair shop.
Loss of vehicle keys
A lost vehicle key can be disabled and replaced
by a dealer's service center or another qualified
service center or repair shop.
If the lost vehicle key has an assigned driver pro‐
file, the connection to this vehicle key must be
deleted. A new vehicle key can then be assigned
to the driver profile.
Malfunction
General information
A Check Control message is displayed.
Vehicle key detection by the vehicle may mal‐
function under the following circumstances:
84
Opening and closing
Online Edition for Part no. 01405A37CC6 - VI/21
▷ The battery of the vehicle key is discharged.
▷ Fault of the radio link from transmission tow‐
ers or other equipment with high transmitting
power.
▷ Shielding of the vehicle key due to metal ob‐
jects.
Do not transport the vehicle key together with
metal objects.
▷ Fault of the radio link from mobile phones or
other electronic devices in direct proximity to
the vehicle key.
Do not carry the vehicle key in close proximity
to other electronic devices.
▷ Fault of radio transmission by a charging
process of mobile devices, for instance
charging of a mobile phone.
▷ The vehicle key is located in direct proximity
of the tray for wireless charging tray.
Place the vehicle key in a different location.
In the case of interference, the vehicle can also
be unlocked and locked from the outside with
the integrated key.
Additional information:
Integrated key, refer to page 94.
Switching the drive-ready state on
via emergency detection of the
vehicle key
It is not possible to switch on the drive-ready
state if the vehicle key has not been detected.