Segway Ninebot ES4 Safety Alert: Top Speed Limit Can Be Defeated Unintentionally
scootertalk.org
scootertalk.org
Following a series of simple steps (listed in article) will cause the Segway Ninebot ES4 scooter to rapidly accelerate to 19 mph (30 kph). If the throttle is released during this time it'll take a 1 to 2 seconds before the scooter begins to stop accelerating.
This glitch impacts all ES4 scooters used by the shared scooter companies. It's easy to unintentionally activate and dangerous to an unsuspecting or inexperienced scooter rider. Use caution if trying this for yourself."