The G3 is not one vehicle. It is a platform. Before you search for a manual, identify your exact variant. Look at the VIN plate (usually under the dashboard or inside the engine bay cover).
What (lead-acid or lithium) your G3 has Any error codes or flashing lights on the dash goupil g3 manual
Inspect high-voltage orange cables for wear or insulation damage. 5. Troubleshooting & Dashboard Error Codes The G3 is not one vehicle