BMW X4 Owner's Manual page 157

Antilock Braking System ABS
The Brake Assistant function may not
activate. Avoid abrupt braking. Take the
longer braking distance into account.
Have the system immediately checked
by a dealer'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 211.
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 211.
▷ DTC Dynamic Traction Control, refer to
page 213.
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 341.
Online Edition for Part no. 01405A37CC6 - VI/21
Displays
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 334.
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
CONTROLS
157