High-Beam On Light
This light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information.
See also:
Alpha-Numeric Keyboard
Letters of the alphabet, symbols, punctuation, and numbers, when available, displays
on the navigation screen as an alpha or numeric keyboard. The alpha keyboard displays
when the system requires ...
Lumbar Adjustment
To adjust the lumbar support:
Press and hold the front or rear of the control to increase or decrease
lumbar support.
Press and hold the top or bottom of the control to raise or lower the
...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...