No, the dispatcher DID NOT advise him to stay in the truck.
As a matter of fact, Zimmerman got out of his truck in response to the dispatcher asking him for an address. Later, the dispatcher asks Zimmerman if he is following the drugged-up Fight Club wannabe:
At one point in the call it seems clear Zimmerman is walking and the dispatcher asks him whether he’s following the teen. “Yeah,” answers Zimmerman. “OK, you don’t need to do that,” the dispatcher says.
You're obviously only familiar with what NBC & ABC "news" told you, stuart.
You should stop posting your nonsense.
Please substitute vehicle for car in anything I said. Better?