Buick Regal: Diagnostic Information and Procedures

 Driver Assistance Systems

SPECIFICATIONS FASTENER SPECIFICATIONS Reusable Threaded Fastener Tightening Specifications NOTE: All fasteners listed in this table can be reused after removal. SCHEMATIC WIRING DIAGRAMS DRIVER ASSISTANCE SYSTEMS WIRING SCHEMATICS Forward Collision Alert (UEU) Lane Keep Assist (UHX) Rear Cross T

 DTC B3410 or B3420

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 Descriptors D