Buick LaCrosse: OnStar Personal Identification 
Number (PIN) - OnStar Additional Information - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: OnStar Personal Identification Number (PIN)

A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.

    Onstar.com
    The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

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    Adjusting the settings
    To adjust the fan speed, turn the fan speed control dial clockwise (increase) or counterclockwise (decrease). Turning the dial to “OFF” turns off the fan. To adjust the temperature setti ...