Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to operate a segway [title] Make sure your segway is fully charged by monitoring the battery indicator on the lcd panel. [step] Ensure that the kickstand is fully functioning and holding the segway upright. [title] Turn the segway on by quickly hitting the " on/off " button.

Ending1: [title] Start the segway on first gear, then select " general " from the menu, then shift the gears onto manual before returning to factory standards for wheel safety. [title] Let the segway start running and keep a tight grip on the wheel with the gas tank intake hanging down into the ground. Ending2: [step] There are two modes to choose from, " turtle " and " normal ". For beginners, it is highly suggested that you use the " turtle " mode. Ending3: [title] Begin turning the segway on until it is completely charged, such as until you hear it beep to indicate it's working properly. [step] Ensure that the engine is running and fully energized as you do this. Ending4: [step] You may also press the " e " key once the segway has finished charging. [title] Turn the segway off again.

Answer format: ending1/ending2/ending3/ending4