Buick Regal (2018-2023) – Fuse and Relay Box Diagram
In this article, we focus on the sixth-generation Buick Regal, available from 2018 to the present. You will find detailed fuse box diagrams for the model years 2018, 2019, and 2020.
This guide provides the exact locations of all fuse panels inside the vehicle and explains the assignment and function of each fuse and relay. With this information, you can quickly identify the fuse or relay responsible for systems such as headlights, fuel pump, HVAC, power windows, radio, and ignition system, making it an essential reference for both DIY enthusiasts and professional mechanics.
By following this guide, you will be able to troubleshoot electrical issues efficiently, replace blown fuses safely, and maintain the electrical system of your Buick Regal (2018–present) in optimal working condition.