Stand-up vehicle

A stand-up vehicle comprising:

• a vehicle upper portion having a riding surface configured for a user to stand on;
• a handrail arranged on the vehicle upper portion, the handrail configured for the user to grip;
• one or more sensors configured to detect movement of the user riding on the stand-up vehicle;
• a power unit configured to drive the stand-up vehicle;
• and
• one or more electronic control units configured to control the power unit to limit a speed of the stand-up vehicle to an upper limit speed or less, wherein
• the one or more electronic control units are configured to execute:
• an emergency detection process to detect an emergency of the user when receiving a notification from the user or based on information from the one or more sensors;
• a safety posture determination process to determine whether or not the user is in a safety posture based on information from the one or more sensors after the emergency is detected by the emergency detection process;
• an upper limit speed management process that is executed when the emergency is detected by the emergency detection process and the user is determined by the safety posture determination process to be in the safety posture, and
• in the upper limit speed management process, the one or more electronic control units increase the upper limit speed to be higher than a basic upper limit speed selected when the safety posture determination process determines that the user is not in the safety posture, or cancels the upper limit speed.