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Depending on the vehicle's equipment, the ar‐
rangement of the switches and indicator lamps
may differ somewhat.
The indicator lamp for the front passenger air‐
bags indicates the operating state of the front
passenger airbags.
The lamp indicates whether the airbags are ac‐
tivated or deactivated.
▷ The indicator lamp lights up when a child in
a child restraint fixing system intended for
the purpose is properly detected on the
seat. The airbags on the front passenger
side are not activated.
▷ The indicator lamp does not light up when,
for example, a correctly seated person of
sufficient size is detected on the seat. The
airbags on the front passenger side are ac‐
tivated.
▷ The indicator lamp does not light up when
the seat is empty. However, the airbags on
the front passenger side are not activated.
The system generally detects children seated in
a child seat, especially in the child seats that
were required by NHTSA when the vehicle was
manufactured.
After installing a child seat, make
sure that the indicator lamp for the front pas‐
senger airbags lights up. This indicates that the
child seat has been detected and the front pas‐
senger airbags are not activated.
Operational readiness of airbag system
In the radio ready state and beyond, refer to
page 61, the warning lamp comes on briefly to
indicate that the entire airbag system and the
belt tensioners are operational.
Airbag system malfunction
▷ Warning lamp does not light up in the radio
ready state.
▷ Warning lamp remains permanently on.
Have the airbag system checked without
delay if there is a malfunction
In the event of a malfunction in the airbag sys‐
tem, have it checked without delay; otherwise,
there
is the risk that the system will not function
as intended even if a sufficiently severe accident
occurs.◀
FTM Flat Tire Monitor*
The concept
The system does not measure the actual infla‐
tion pressure in the tires.
It detects a pressure loss in a tire by comparing
the rotational speeds of the individual wheels
while moving.
In the event of a pressure loss, the diameter and
therefore the rotational speed of the corre‐
sponding wheel change. This is detected and
reported as a flat tire.
Functional requirements
The system must have been initialized when the
tire inflation pressure was correct; otherwise,
reliable signaling of a flat tire is not ensured. In‐
itialize the system after each correction of the
tire inflation pressure and after every tire or
wheel change.
System limits
Sudden tire damage
Sudden serious tire damage caused by
external influences cannot be indicated in ad‐
vance.◀
A natural, even pressure loss in all four tires can‐
not be detected. Therefore, check the tire infla‐
tion pressure regularly.
The system could be delayed or malfunction in
the following situations:
Seite 88
88
Online Edition for Part no. 01 40 2 606 735 - 03 11 500
Safety
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