SMART fortwo 2015, Owner'S Manual, Page: 163 / 228

Problem Possible causes/consequences and
M
Solutions
h
The yellow tyre pres-
sure monitor warning
lamp (pressure loss/
malfunction) flashes
for approximately
1 minute and then
remains lit.
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
Vehicles with a colour display: observe the additional display
messages.
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 yellow tyre pressure monitor warning lamp continues to
remain on:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
h
You are driving and the
yellow tyre pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
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 ( Y page 204).
X
If necessary, correct the tyre pressure.
X
Restart the tyre pressure monitor ( Y page 205).
Warning and indicator lamps in the instrument cluster
161
>> On-board computer and displays
.
Z