Hello po…newbie po in this site…I have some query concerning my six months old car…napansin ko lang na pag tinapakan ko yung gas pedal nakakaramdam ako ng slight vibration pero pag diniin ko ng konti nawawala sya…ang KPH ko is between 50 to 70kph..is it normal or any problem on my brand new unit?…any response is highly appreciated…BTW my unit is 2012 Avanza 1.3E A/T