Buick Regal: Diagnostic Information and Procedures

 Lane Keep Assist Description and Operation

NOTE: The Lane Keep Assist system DOES NOT continuously steer the vehicle The Lane Keep Assist system replaces Lane Departure Warning System Lane Departure Warning will have more alerts than Lane Keep Assist (visual, audible, and haptic warning The system assists driver to keep vehicle in-la

 DTC P0128

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptor DT