First read and observe the introductory information
and safety warnings
| Lit up | Possible cause |
|---|---|
|
Cruise control system (CCS) is controlling the speed. |
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will switch off after a few seconds.

WARNING

NOTICE
Introduction
Using the cruise control systemTires, Mounting, Run-Flat Tires and Ultra High Performance Tires
Only trained personnel can perform the assembly work on
run-flat tires and ultra high performance tires.
If equipped check the tire pressure monitoring sensor with
the vehicle diagnostic tester and if necessary replace.
...
Pressure Gauge, Tests and Measurements
Indicators on pressure gauge
1 -
Temperature scale for refrigerant R134a CF3–CH2F or
CH2F–CF3.
2 -
Pressure scale
The pressure gauge may have one or more temperature s ...
Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread
blocks, due to which an increased rolling noise can develop. The
heel-and-toe wear is caused by the uneven distortion of the
tread blocks in the contact patch. Heel-and-toe wear appears in
more extr ...