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:
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf,
hard of hearing, or speech-impaired
and who use Text Telephones
(TTYs), Buick has TTY equipment
available at its Customer Assistance
Center. Any TTY user ca ...
Low-Beam Headlamps/Daytime Running Lamps (DRL), High-Beam Headlamps (Base)
1. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle.
2. Remove the outside cap for the low-beam headlamp/DRL bulb repla ...
Store a Name Tag for Speed
Dialing
1. Push . System responds:
“OnStar ready.”.
2. Say “Store.” System responds:
“Please say the number you
would like to store.”.
3. Say the entire number without
pausing. System resp ...
