Chemical Paint Spotting
Airborne pollutants can fall upon and attack painted vehicle surfaces causing blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface.
See also:
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...
Controls
The infotainment system is operated
by using the pushbuttons,
multifunction knobs, menus shown
on the display, and steering wheel
controls, if equipped. ...
Instrument Panel Illumination Control
The brightness of the instrument panel lighting and steering wheel controls can be adjusted.
:
Move and hold the thumbwheel up or down to brighten or dim the lights. ...