BMW 4 Coupe Series Manual page 154

CONTROLS
The Brake Assistant function may not
activate. Avoid abrupt braking. Take the
longer braking distance into account.
Have the system immediately checked by a deal‐
er's service center or another qualified service
center or repair shop.
DSC Dynamic Stability Control
The indicator light flashes: DSC controls
the drive and braking forces. The vehicle
is stabilized. Reduce speed and modify
your driving style to the driving circumstances.
The indicator light lights up: DSC has malfunc‐
tioned.
Have the system immediately checked by a deal‐
er's service center or another qualified service
center or repair shop.
Additional information:
DSC Dynamic Stability Control, refer to
page 210.
DSC Dynamic Stability Control is
deactivated or DTC Dynamic
Traction Control is activated
DSC is deactivated or DTC is activated.
Additional information:
▷ DSC Dynamic Stability Control, refer
to page 210.
▷ DTC Dynamic Traction Control, refer to
page 212.
Flat Tire Monitor FTM
The FTM signals a tire pressure loss in a
tire.
Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneuvers.
Additional information:
Run-flat tires, refer to page 335.
154
Displays
Online Edition for Part no. 01405A392C9 - VI/21
Tire pressure monitor
The indicator light illuminates: the Tire
Pressure Monitor reports a low tire pres‐
sure or a flat tire. Follow the information
in the Check Control message.
The indicator light flashes and is then illuminated
continuously: flat tires or tire pressure losses
cannot be detected.
▷ Fault caused by systems or devices with the
same radio frequency: after leaving the area
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 328.
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