Buick Regal: Diagnostic Information and Procedures

 Symptoms - Displays and Gauges

NOTE: The following steps must be completed before using the symptom diagnostic tables. 1. Before using the symptom diagnostic tables, perform the Diagnostic System Check - Vehicle in order to determine that there are no DTCs set, and that the control modules can communicate via the serial data li

 Windshield Replacement

HUD System The windshield is part of the HUD system. If the windshield needs to be replaced, be sure to get one that is designed for HUD or the HUD image may look out of focus. Driver Assistance Systems If the windshield needs to be replaced and the vehicle is equipped with a front camera sensor for