BMW M4 COUPE Owner's Manual page 159

Indicator light in the instrument
cluster
The yellow indicator light illuminates,
once the fuel reserve is reached.
Tachometer
General information
A yellow prewarning field and a red prewarning
field display the permitted speed range. The per‐
mitted RPM increases as the engine oil tempera‐
ture increases.
Always avoid RPM in the red warning field. In this
range, the fuel supply is reduced to protect the
engine.
Standby state and drive-
ready state
The lettering OFF in the instru‐
ment cluster indicates that drive-
ready state is switched off and
standby state is switched on.
The letters READY in the instru‐
ment cluster indicate that the
drive readiness is turned on and
the Auto Start/Stop function is
ready to start the engine automat‐
ically.
Additional information:
Operating state of the vehicle, refer to page 41.
Online Edition for Part no. 01405A38097 - VI/21
Displays
Engine oil temperature
Display
▷ Cold engine: the pointer is at
the low temperature end.
Drive at moderate RPM and
vehicle speeds.
▷ Normal operating tempera‐
ture: the pointer is in the mid‐
dle or in the lower half of the
temperature display.
▷ Hot engine: the pointer is at the high end of
the temperature range. In addition, a Check
Control message is displayed.
Additional information:
Coolant level, refer to page 353.
Indicator light in the instrument
cluster
A red indicator light is displayed.
Outside temperature
General information
If the indicator drops to +37 ℉/+3 ℃ or lower, a
signal sounds.
A Check Control message is displayed.
There is an increased risk of ice on roads.
Safety information
Warning
Even at temperatures above +37 ℉/+3 ℃
there can be a risk of icy roads, for instance on
bridges or shady sections of the road. There is
a risk of accident. Modify your driving style to
the weather conditions at low temperatures.
CONTROLS
159