Headlamp High/Low-Beam Changer
To change the headlamps from low to high beam, push the lever toward the instrument panel.
To return to low-beam headlamps, pull the multifunction lever toward you. Then release it.

When the high beams are on, this indicator light on the instrument panel cluster will also be on.
See also:
Engine Coolant Temperature Gage
This gage shows the engine coolant temperature.
If the gage pointer moves into the red area,
the engine coolant has overheated.
If you have been operating your vehicle under
normal driving c ...
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) Or every two years, whichever
comes first.
b) Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition. Check that
the purge valve, if the vehicle has
one, wor ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...
