
Buick Regal 2013 Fuse Box Info
Passenger compartment fuse box location:

The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions | 
| 1 | Suspension Control Module/Universal Garage Door Opener/ESC | 
| 2 | Body Control Module 1 | 
| 3 | Body Control Module 5 | 
| 4 | Radio | 
| 5 | Radio Displays, Park Assist, Infotainment, Module Tunnel Control | 
| 6 | Instrument Panel Power Outlet | 
| 7 | Console Power Outlet | 
| 8 | Body Control Module 3 | 
| 9 | Body Control Module 4 | 
| 10 | Body Control Module 8 | 
| 11 | Front Heater Ventilation Air Conditioning/Blower | 
| 12 | Right Hand Power Front Seat | 
| 13 | Left Hand Power Front Seat | 
| 14 | Diagnostic Link Connector | 
| 15 | Airbag | 
| 16 | Spare | 
| 17 | Heater Ventilation Air Conditioning Controller | 
| 18 | Service Fuse, Logistic Relay | 
| 19 | Spare | 
| 20 | Automatic Occupant Sensing | 
| 21 | Instrument Cluster | 
| 22 | Discrete Logic Ignition Switch/PEPS | 
| 23 | Body Control Module 6 | 
| 24 | Body Control Module 2 | 
| 25 | OnStar | 
| 26 | Spare | 
Engine compartment fuse box:
| Fuse/Relay N° | Functions | 
| Fuses | |
| 1 | Transmission Control Module | 
| 2 | Engine Control Module | 
| 3 | SAI Solenoid (2.4L Engine RPO LEA) | 
| 4 | Not Used | 
| 5 | Ignition, Transmission Control Module, Engine Control Module | 
| 6 | Windshield Wiper | 
| 7 | BPIM (eAssist Only) | 
| 8 | Not Used | 
| 9 | Fuel Injection, Ignition System | 
| 10 | Engine Control Module | 
| 11 | Oxygen Sensor | 
| 12 | Starter | 
| 13 | Fuel System Control Module | 
| 14 | Trunk Release | 
| 15 | MGU Coolant Pump (eAssist Only) | 
| 16 | Heated Steering Wheel | 
| 17 | Airbag | 
| 18 | BPIM (eAssist Only) | 
| 19 | Not Used | 
| 20 | Not Used | 
| 21 | Rear Power Windows | 
| 22 | Antilock Brake System Valve | 
| 23 | Variable Effort Steering | 
| 24 | Front Power Windows | 
| 25 | Power Outlets | 
| 26 | Antilock Brake System Pump | 
| 27 | Electric Parking Brake | 
| 28 | Heated Rear Window | 
| 29 | Left Hand Seat Lumbar | 
| 30 | Right Hand Seat Lumbar | 
| 31 | A/C Clutch | 
| 32 | Body Control Module 6 | 
| 33 | Heated Front Seats | 
| 34 | Sunroof | 
| 35 | Infotainment System | 
| 36 | Not Used | 
| 37 | Right Hand High‐Beam Headlamp | 
| 38 | Left Hand High‐Beam Headlamp | 
| 39 | Not Used | 
| 40 | Not Used | 
| 41 | Vacuum Pump | 
| 42 | Radiator Fan | 
| 43 | Passive Entry/ Passive Start | 
| 44 | Transmission Auxiliary Pump (eAssist Only) | 
| 45 | Radiator Fan | 
| 46 | Terminal 87, Main Relay | 
| 47 | Oxygen Sensor | 
| 48 | Fog Lamps | 
| 49 | Right Hand Low Beam, High Intensity Discharge Headlamp | 
| 50 | Left Hand Low Beam, High Intensity Discharge Headlamp | 
| 51 | Horn | 
| 52 | Motor Indicator Lamp | 
| 53 | Inside Rearview Mirror | 
| 54 | Not Used | 
| 55 | Power Windows/ Mirrors | 
| 56 | Windshield Washer | 
| 57 | Not Used | 
| 58 | Not Used | 
| 59 | Secondary Air Induction (eAssist and 2.4L Engine RPO LEA) | 
| 60 | Heated Mirrors | 
| 61 | Not Used | 
| 62 | Canister Vent Solenoid | 
| 63 | Not Used | 
| 64 | Heater, Ventilation, and Air Conditioning Pump (eAssist Only) | 
| 65 | Not Used | 
| 66 | SAI Check Valve (eAssist Only) | 
| 67 | Fuel System Control Module | 
| 68 | Not Used | 
| 69 | Battery Sensor | 
| 70 | Not Used | 
| 71 | Not Used | 
| Relays | |
| 1 | Air Conditioning Control | 
| 2 | Starter | 
| 3 | Cooling Fan | 
| 4 | Front Wiper (Step 2) | 
| 5 | Front Wiper (Step 1, Interval) | 
| 6 | SAI Valve/Heater (eAssist and 2.4L Engine RPO LEA), Ventilation, and Air Conditioning Pump (eAssist Only) | 
| 7 | Main Relay | 
| 8 | Not Used | 
| 9 | Cooling Fan | 
| 10 | Cooling Fan | 
| 11 | Transmission Auxiliary Pump (eAssist Only) | 
| 12 | Cooling Fan (2.0L Engine RPO LHU) | 
| 13 | Cooling Fan | 
| 14 | High Intensity Discharge Lamps | 
| 15 | Ignition | 
| 16 | Secondary AIR Pump (eAssist and 2.4L Engine RPO LEA) | 
| 17 | Window/Mirror Defog | 





