Lumbar Adjustment

Lumbar Adjustment
If available, press and hold the front or rear of the control to increase or decrease lumbar support.
To raise or lower lumbar support, press and hold the top or bottom of the control.
Release the control when the seatback reaches the desired level of lumbar support.
See Power Seat Adjustment for more information.
See also:
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire Goes
Flat for more
information.
2. Turn the wheel wrench
counterclockwise to loosen the
wheel nut caps.
If needed, finish loosening th ...
Under the hood
Unique with its all-four-cylinder powertrain, the Buick Regal relies on the
excellent horsepower-per-liter ratio of the Ecotec engine family to deliver
smart, on-demand performance that is also ve ...
Muting a Call
During a call, all sounds from inside the vehicle can be
muted so that the person on the other end of the
call cannot hear them.
To Mute a call
1. Press . The system responds
with “Ready” ...
