
In the action economy, engaging with him essentially prevents him from getting into his truck, since he'll have to disengage, then move to the truck. It won't leave him enough maneuvers to open the door or get in.
Etiquette for Beginners with Professor Hank
2 Success, 4 Advantage
Total: 2 Success, 4 Advantage
difficulty adjustment
1 Failure, 2 Threat
Total: 1 Failure, 2 Threat
Coercion
3 Success, 6 Advantage, 1 Threat
Total: 3 Success, 5 Advantage