Driver Arrow Signal Forex MT4 Indicator. The MT4 indicator consists of several parts: one is the main chart with candlesticks displayed in blue and red, one is the top left corner showing the currency pair trend, and one is arrows indicating entry and exit times displayed on the main chart. Driver Arrow Signal Forex MT4 Indicator. Driver Arrow Signal Forex MT4 Indicator. Installation Guide: MT4 installation directory MQL4/indicators is the indicator folder (place mq4 and ex4 indicators). There is no 100% accurate trading system in the world. Any excellent trading system also has periodic flaws. Having more reference signals is equivalent to having more guidance. I wish you success soon!