Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 55 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESAUXILIARY AUDIO INPUT MALFUNCTIONCIRCUIT/SYSTEM VERIFICATIONUSB PORT
2013 Buick Regal Turbo Premium, Standard Trans
USB Port
2013 Buick Regal Turbo Premium, Standard TransSECTION USB Port
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Verify no DTCs are present.
- If any DTCs are present, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Inspect the USB port for damage.
- If damage is noted, replace the USB port.
- Ignition ON, radio ON, connect a device to the USB port. Verify the infotainment system to switches USB as the audio source.
- If the infotainment system does not switch to USB as the audio source, refer to Circuit/System Testing .
- Operate the radio controls to play audio from the device. Verify the audio from the device is heard through the vehicle infotainment system.
- If audio is not heard from the device, attempt to playback audio from another device. If audio cannot be heard from any device connected to the USB port, or the audio heard is not clear, refer to Circuit/System Testing .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.