SMART Fortwo 2015 Owner's Manual page 149

Display messages (on-board computer with colour display)
Display messages
h
Tyre pressure moni‐
tor inoperative
wheel sensors miss‐
ing
h
Correct tyre pres‐
sure
Possible causes/consequences and M Solutions
There is no signal from the tyre pressure sensor of one or several
wheels, or the wheels fitted do not have suitable tyre pressure
sensors. The tyre pressure monitor was not restarted after a wheel
change.
G
WARNING
The system is possibly unable to recognise or register low tyre
pressure.
There is a risk of an accident.
X
Have the faulty tyre pressure sensor replaced at a qualified
specialist workshop.
or
X
Fit wheels with suitable tyre pressure sensors.
or
X
Restart the tyre pressure monitor after a wheel change
Y
( page 205)
The tyre pressure monitor is activated automatically after
driving for a few minutes.
If the display message continues to be displayed:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
The tyre pressure is too low in at least one of the tyres, or the tyre
pressure difference between the wheels is too great.
X
Check the tyre pressures at the next opportunity (
X
If necessary, correct the tyre pressure.
X
Restart the tyre pressure monitor (
Y
page 204).
Y
page 205).
147
Z