It indicates the car speed.
See also:
Vehicle Modifications/Alterations
WARNING!
Any modifications or alterations to this vehicle could seriously affect its
roadworthiness and safety and may lead to an accident resulting in serious injury
or death. ...
21. Electronic Stability Control OFF (ESC OFF)Indicator Light
This light indicates the Electronic Stability Control system (ESC) has been turned
off by the driver. ...
Quick Guide
Radio Controls
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