5-26 Switches and controls
CAUTION
The battery may be discharged and the engine
impossible to restart if the hazard warning
lamps are operated for an extended period of
time.
6 Exhaust brake switch
The exhaust brake enhances engine braking. Use it
as an auxiliary braking means on downhill stretches
or during high-speed driving.
NOTE:
• Do not keep the exhaust brake switch in the
activation position at all times. Frequent use of
the exhaust brake reduces fuel economy. Move
the exhaust brake switch between the activation
and non-activation positions as necessary
according to road and traffic conditions.
• The exhaust brake is activated when the auto-
matic DPF regeneration takes place during
parking. The indicator, however, is not illu-
minated.
Pushing the lever forward activates the exhaust
brake. While the exhaust brake activated, indicator
lamp stays illuminated.
The exhaust brake is temporarily deactivated if any
of the actions listed below are performed. It will
become active again as soon as the vehicle returns
to its previous state.
• Depressing the accelerator pedal
• Depressing the clutch pedal <manual transmis-
sion models>
• Moving the gearshift lever or selector lever to
the neutral position
• Operating the anti-lock brake system
• Driving at a very low speed or reversing
<automatic transmission models>
WARNING
Using the exhaust brake on a wet, frozen,
snow-covered, or otherwise slippery road
surface when the vehicle is lightly loaded or
not loaded can cause the tires to slip on the
road surface, resulting in a skid. Do not use
the exhaust brake on slippery road surfaces.
Z17279
FKFM.book Page 26 Wednesday, January 28, 2009 9:21 AM
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