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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    Calibration
    The compass may need to be calibrated if, for example, the vehicle is driven into a new magnetic zone. The character C is shown in the mirror's display if calibration is necessary. 1. Stop th ...

    Passing
    More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go farther beyond the passed vehicle before returning to the lane. ...

    Lumbar Adjustment
    Lumbar Adjustment To adjust the lumbar support, if available: • Press and hold the front or rear of the control to increase or decrease lumbar support. • Press and hold the top or botto ...