No ought to change to N for normal targeted traffic or jams. Only when uphill driving for a longer period period of time within a jam, I recommend to put in N if at all possible. A. VT3 is based on VT1 allthougth the whole Command stategy and hydraulic procedure https://elliottgnpom.tinyblogging.com/not-known-facts-about-cvt-proton-77394247