Buick Regal 2011 Owner's Manual page 239

Tour: Use for long-distance
highway driving. This setting
provides a smooth, soft ride. Press
and release the TOUR button and
the light on the button comes on.
This mode provides a comfortable,
smooth ride. Press the button again
and the system returns to the
Standard mode.
Sport: Use where personal
preference or road conditions
demand more control. This setting
provides responsive, controlled
handling. Press and release the
SPORT button. The light on the
button comes on, and the
appropriate message displays on
the DIC. Press the button again.
The system returns to the Standard
mode and the appropriate message
displays on the DIC.
IDCS automatically comes on in the
Standard mode when the vehicle is
started. When the Sport and Tour
modes are turned off, the system
returns to the Standard mode.
Standard Mode
The shock absorbers allow a
normal ride.
The powertrain reacts normally
to the accelerator pedal.
Power steering assistance is
normal.
Tour Mode
The shock absorbers allow a
softer ride.
The powertrain reacts normally
to the accelerator pedal.
Power steering assistance is
normal.
Driving and Operating
Sport Mode
The shock absorbers stiffen to
provide better contact with the
road surface.
The powertrain reacts more
quickly to the accelerator pedal.
Power steering assistance is
reduced.
Drive Mode Control
Drive Mode Control (DMC) analyzes
the driving style and the active state
of the vehicle and automatically
changes the settings within the
selected driving mode. When there
is a more noticeable change in
driving style or conditions, the
driving mode is changed to Sport
until the previous driving style
returns.
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