BMW C 400 X Rider's Manual page 49

Ambient temperature
The outside temperature is
shown in the status line of the
TFT display.
Engine heat can lead to spuri-
ous readings of ambient tem-
perature when the motorcycle
is stationary. When the effects
of engine heat on the monitored
temperature become excessive,
dashes instead of the value are
displayed.
If the outside temperature
drops below the following
limit value, there is a risk of black
ice forming.
Limit value for outside
temperature
Approx. 37 °F (Approx. 3 °C)
The first time the temperature
drops below this value, the out-
side temperature display and ice
https://www.motorcycle-manual.com/
crystal symbol will flash in the
status line of the TFT display.
Outside temperature
warning
Ice crystal symbol is dis-
played.
Possible cause:
The ambient temperature mea-
sured at the vehicle is lower than
37 °F (3 °C).
WARNING
Risk of black ice, even above
37 °F (3 °C)
Accident hazard
At a low outside temperature,
icy conditions must expected
on bridges and in shady road
areas.
Think well ahead when driving.
Radio-operated key
outside reception range
with Keyless Ride OE
General warning light lights
up yellow.
Remote key not in
range. Do not stop
engine. No engine restart
possible.
Possible cause:
Communication between the key
fob transmitter and the engine
electronics is disrupted.
Check the battery in the key
fob transmitter.
with Keyless Ride OE
Replacing the battery of the
key fob transmitter (
Use reserve key for further
driving.
with Keyless Ride OE
Battery of the key fob trans-
mitter is empty or the key fob
transmitter is lost (
3
47
z
62).
62).