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154
Controls in detail
Operating the vehicle
3
̄ Operating the vehicle
When activated, the operating speed gov-
ernor (ADR) automatically increases the
engine speed to a preset or adjustable
operating speed (୴ page 155).
Activating/deactivating ADR
The switch is between the light switch and
the steering wheel.
1 To switch on
2 To switch off
̈ To switch on: press upper part 1 of
the switch with the engine running.
The indicator lamp in the switch comes
on.
Vehicles without steering wheel but-
tons:
The ™ indicator lamp in the instru-
ment cluster comes on.
Vehicles with steering wheel buttons:
The
Operating speed governor active
message appears in the display.
̈ To switch off: press lower part 2 of
the switch with the engine running.
The indicator lamp in the switch and
the ™ indicator lamp in the instru-
ment cluster go out.
Operating speed governor (ADR)*
i
The idle speed of the engine automati-
cally increases after a cold start. If the
set operating speed is lower than the
increased idle speed, the set operating
speed is attained only after the engine
has reached its operating temperature.
It is only possible to activate ADR with
the vehicle stationary and the hand-
brake applied. The selector lever must
be in position P.
N54.25-2932-31
i
ADR is automatically deactivated
when:
ț you release the handbrake
ț the vehicle moves
ț the control unit detects a malfunc-
tion