When i drive in d position on my is e-shift on highway and i push my gas pedal in 2/3 or 1/2, in rpm between 3600 to 4000 make pause and then very quickly take rpm to 5000. What is wrong? early i never saw it? And in manual mode it never happend( in this all period of rpm! When i psuh the gas pedal full the car takes speed good!