. The car is not supposed to move BEFORE you give it gas (otherwise, the idle speed is too high) … so it's normal operation.
. You describe a fault when there is NO fault.
Do you have problems accepting a vehicle that is working properly? There is no problem according to your description.
. Oil changes have nothing to do with it (except at the time of emptying, they also verify that all other fluids are in good condition and AT THE SAME TIME.
(because it takes every 5 minutes to check them all.)
mechanic 39 years and over