Volume Control
VOL/
(Volume/Power): Turn to
adjust the volume.
(Phone/Mute): For vehicles with
OnStar®, press and hold
to mute
the infotainment system. Press and
hold
again, or turn the VOL/
knob to cancel mute.
For vehicles without OnStar®, press
to mute the infotainment system.
Press
again, or turn the VOL/
knob to cancel mute.
See also:
Introduction
GENERAL MOTORS, GM, the GM Emblem, BUICK, the
BUICK Emblem, and the name LUCERNE are
registered trademarks of General Motors Corporation.
This manual describes features that may or may not be ...
Hill and Mountain Roads
Driving on steep hills or through
mountains is different than driving
on flat or rolling terrain. Tips for
driving in these conditions include:
• Keep the vehicle serviced and in
good shape ...
What to Add
If the vehicle has DOT 3 brake fluid, as indicated on the reservoir cap, use
only new DOT 3 brake fluid from a sealed container. See Recommended Fluids and Lubricants
.
If the vehicle has DOT 4 b ...
