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sure to the recommended cold tire pressure suita-
ble for the operating situation.
In most cases, the tire pressure monitoring sys-
tem will automatically update the new reference
values a er you have changed the tire pressure.
You can, however, also update the reference val-
ues by restarting the tire pressure monitoring sys-
tem manually (
page 387).
/
System limits
Syst
em limits
The system may be impaired or may not function
particularly in the following situations:
Incorrect reference values were taught in
R
Sudden pressure loss caused by a foreign
R
object penetrating the tire, for example
There is a malfunction caused by another
R
radio signal source
Chec
Checking t
king the tir
he tire pr
e pressur
essure wit
e with t h the tir
monitor oring syst
monit
ing system
em
R R eq equir uirements:
ements:
The vehicle is switched on.
R
Driver's display:
©
4
Press a to con rm.
#
One of the following displays appears:
Current tire pressure of each wheel:
R
www.carobook.com
Tire pressure displayed after driving for a
R
few
minutes.: current values are not yet
he tire pr
e pressure
essure
known to the system. The pressure/tempera-
ture values of each tire are displayed as soon
as they are known to the system.
Tire Pressure Monitor
R
process of the system is not yet complete. The
tire pressures are already being monitored.
Service
5
Active: the teach-in
Wheels and tires 387
Compare the current tire pressure with the
#
recommended tire pressure for the current
operating condition (
page 384). Addition-
/
ally, observe the notes on cold tires
(
page 383).
/
%
The values displayed on the driver display may
deviate from those of the tire pressure gauge
as they refer to sea level. At high elevations,
the tire pressure value indicated by a tire
pressure gauge are higher than those shown
on the driver display.
Bear in mind the following related topic:
Notes on tire pressure (
R
/
R R est
estar arting t
ting the tir
he tire pr
e pressur
essure monit
e monitor oring syst
R R eq equir uirements:
ements:
The recommended tire pressure is correctly
R
set for the respective operating status on each
of the four wheels (
page 383).
/
Restart the tire pressure monitoring system in the
following situations:
The tire pressure has changed.
R
387
page 383)
ing system
em
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