Hill descent control (green)

Illuminates continuously when HDC is selected and HDC operating conditions are met - i.e. vehicle speed below 30 mph (50 km/h). If the lamp flashes, HDC has been selected, but the operating condi ...

Cruise control (green)

Illuminates when cruise control is active.   ...

See also:

Removing the detachable tow hitch
Removal of the tow hitch is the reverse of fitting. Note: The key cannot be removed when the tow hitch has been detached. ...

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 can comm ...

Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb type can be found in the legend. Halogen headlamps 1 Low-beam headlamp: H7 55 W 2 High-beam headlamp: H7 55 W 3 Parking lamp/standing lamp: W 5 W 4 ...