OnStar®

OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
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Comfortable, quiet ride
In addition to delivering surprising performance, Rainier's refined
powertrains and precision-engineered chassis system contribute to a comfortable,
quiet ride - a Buick distinction throughout its ...
Regenerative Braking
Regenerative braking takes some of
the energy from the moving vehicle
and turns it into electrical energy.
This energy is then stored in the
vehicle's high voltage battery
system, contributin ...
Remote Start Heated Seats
When it is cold outside, the heated seats can be turned on automatically during
a remote vehicle start. The heated seats will be canceled when the ignition is turned
on. Press the control to use t ...
