Scene change

Do you have to change the scene with little details? Ex.

INT. SAM'S CAR- DAY

<Name> sits in the car in silence

[ more dialog]

EXT. NARCOTICS REHABILITATION CENTER PARKING LOT- DAY

The two walk into the front of the building. Terry pausing before opening the door

[There's no dialog should i add?]

INT. NARCOTICS REHABILITATION CENTER- DAY

[Action]

[Dialogue]