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

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Emergency
With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it. Push to connect to an Emergency Advisor. GPS technology is us ...

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System operation
The automatic drive positioner system will not work or will stop operating under the following conditions: - When the vehicle speed is above 4 MPH (7 km/h). - When any of the memory switches are p ...

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 ...

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