Chevrolet 2011 Volt Owner's Manual page 303

If in Sport or Mountain Mode, either
may become unavailable and the
vehicle will return to Normal Mode.
The indicator light goes off and a
DIC message displays. See
Propulsion Power Messages on
page 5 45.
Sport Mode
Sport Mode releases more energy
from the high voltage battery under
heavy acceleration. The vehicle
will be more responsive to the
accelerator pedal.
Press the DRIVE MODE button to
select Sport Mode.
Press the DRIVE MODE button
again to return to Normal Mode and
it becomes active after
three seconds.
The Sport light comes on when
Sport Mode is selected. See Sport
Mode Light on page 5 24.
Mountain Mode
Mountain Mode should be selected
at the beginning of a trip before
climbing steep, uphill grades and
when expecting to drive in very hilly
or mountainous terrain. This mode
maintains a reserve electrical
charge of the high voltage battery
to provide better grade climbing
Driving and Operating
performance. While driving in
Mountain Mode, the vehicle will
have less responsive acceleration.
Mountain Mode will not change
normal vehicle braking performance
for steep downhill grades. See Hill
and Mountain Roads on page 9 10
and Electric Drive Unit on
page 9 29.
Press the DRIVE MODE button to
select Mountain Mode. The engine
may run when Mountain Mode is
selected, depending on high voltage
battery charge, to build reserve
electrical charge for uphill climbs.
Operating in Mountain Mode
will adjust the electric range by
subtracting just the electric range
being held in reserve. Electric range
reserve still unused upon exiting
Mountain Mode will be added back
to the electric range display. See
Driving for Better Energy Efficiency
on page 9 2.
Press the Drive Mode button again
to return to Normal Mode and it
becomes active in three seconds.
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