Buick Regal Owners & Service Manuals

Buick Regal: Electrical System

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 Electrical System Overload

The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circui

 Engine Compartment Fuse Block

To remove the fuse block cover, squeeze the three retaining clips on the cover and lift it straight up. Caution: Spilling liquid on any electrical component on the vehicle may damage it. Always keep

 Instrument Panel Fuse Block

The instrument panel fuse block is in the instrument panel, on the driver side of the vehicle. To access the fuses, press in on the sides of the cover and pull to release it from the instrument panel

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 Connections

The following OnStar services help with staying connected. Ensuring Security Change the default passwords for the Wi-Fi hotspot and myBuick mobile application. Make these passwords different from each other and use a combination of letters, numbers, and symbols to increase the security. Ch

 HVAC - Automatic

SPECIFICATIONS FASTENER TIGHTENING TORQUE SPECIFICATIONS Reusable Threaded Fastener Tightening Specifications NOTE: All fasteners listed in this table can be reused after removal. SCHEMATIC WIRING DIAGRAMS HVAC WIRING SCHEMATICS HVAC Module Power, Ground, Serial Data, and Subsystem References HVAC

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