Horn

Press near the horn symbols or press on the steering wheel pad to sound the horn.

    See also:

    OnStar®
    For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...

    Reducing Speed While Using Cruise Control
    To reduce your speed while using cruise control: • Press and hold the SET– button on the steering wheel until the desired lower speed is reached, then release it. • To slow down in very sm ...

    Customer Assistance for TextTelephone (TTY) Users
    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 ...