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 Oil Additives / Engine Oil
Flushes
Do not add anything to the oil. The recommended oils
with the starburst symbol that meet GM Standard
GM6094M are all that is needed for good performance
and engine protection.
Engine oil system ...
Brake Pedal Travel
See your dealer/retailer if the brake pedal does not
return to normal height, or if there is a rapid increase in
pedal travel. This could be a sign that brake service
might be required. ...
Battery Power Protection
The battery saver feature is designed to protect the vehicle's battery.
To prevent battery discharge while driving, the following systems are reduced automatically in two stages and then turned off:
...
