Buick LaCrosse: Diagnostics - OnStar Services - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push Advisor can run a check., and an Advisor can run a check.

    OnStar Mobile App
    With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

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    Brake system warning light
    WARNING ● Driving with the brake system warning light on is dangerous. This indicates your brake system may not be working properly. If the light remains illuminated, have the brakes insp ...

    Channel lock
    Access to specific channels can be restricted (locked). A locked channel will not provide audio, song titles, or artist information. NOTE All channels are initially unlocked. Locking a chann ...

    Operating the XM Radio
    To listen to XM Radio, turn the ignition switch to the ACCESSORY (I) or ON (II) position, and press the button. The last channel you listened to will show in the audio screen and the cent ...