Mercedes-Benz 2007 SL 55 AMG Operator's Manual page 296

2007 sl-class
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Switch on the ignition ( page 39).
Make sure the standard display menu
appears in the multifunction display
( page 145).
Press button k or j repeatedly
until the following message appears in
the multifunction display:
Run Flat Indicator
active
Menu: R-Button
Press the reset button ( page 27).
The following message will appear in
the multifunction display:
Restart
Run Flat Indicator?
If you wish to confirm activation:
Press button æ.
The following message will appear in
the multifunction display:
Run Flat Indicator
restarted
After a certain "learning phase", the Run
Flat Indicator checks the set pressure val-
ues for all four tires.
If you wish to cancel activation:
Press button ç.
Tires and wheels
Checking tire pressure electronically
with the Tire Pressure Monitoring
System (TPMS), (USA only)
i
The Tire Pressure Monitoring System
(TPMS) is equipped with a combination low tire
pressure/TPMS malfunction telltale in the in-
strument cluster ( page 29). Depending on
how the telltale illuminates, it indicates a low tire
pressure condition or a malfunction in the TPMS
system itself:
If the telltale illuminates continuously, one
or more of your tires is significantly under-in-
flated. There is no malfunction in the TPMS.
If the telltale flashes for 60 seconds and
then stays illuminated, the TPMS system it-
self is not operating properly.
Operation
295

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