BMW M4 COUPE Owner's Manual page 156

CONTROLS
of the interference, the system automatically
becomes active again.
▷ In the case of tires with special approval: the
tire pressure monitor was unable to complete
the reset. Reset the system again.
▷ A wheel without wheel electronics is
mounted: have it checked by a dealer's serv‐
ice center or another qualified service center
or repair shop as needed.
▷ Malfunction: have the system checked by a
dealer's service center or another qualified
service center or repair shop.
Additional information:
Tire pressure monitor, refer to page 332.
Steering system
Steering system may not be working.
Have the system checked by a dealer's
service center or another qualified serv‐
ice center or repair shop.
Emissions
▷ The warning light lights up:
Emissions are deteriorating. Have the
vehicle checked as soon as possible.
▷ The warning light flashes under certain cir‐
cumstances:
This indicates that there is excessive misfiring
in the engine.
Reduce the vehicle speed and have the sys‐
tem checked immediately; otherwise, serious
engine misfiring within a brief period can seri‐
ously damage emission control components,
in particular the catalytic converter.
Additional information:
Socket for OBD Onboard Diagnosis, refer to
page 356.
156
Displays
Online Edition for Part no. 01405A38097 - VI/21
M Traction Control
Indicator light blinks: M Traction Control
level is changed.
Additional information:
M Traction Control, refer to page 219.
Green lights
Safety belt reminder for rear seats
The safety belt is buckled on the corre‐
sponding rear seat.
The displays may vary depending on the
equipment version and country variant.
Turn signal
Turn signal switched on.
Unusually rapid blinking of the indicator
light indicates that a turn signal bulb has
failed.
Additional information:
Turn signal, refer to page 136.
Parking lights
Parking lights are switched on.
Additional information:
Parking lights/low beams, refer to
page 170.
Low beams
Low beams are switched on.
Additional information:
Parking lights/low beams, refer to
page 170.
Lane departure warning
The indicator light lights up: the system
is activated. Warnings can be issued.