Once it's connected, the guys from the gas station will try to stop you.
Read the onscreen instructions to learn to controls for looking backwards and slowly work the semi back to the hitch. The idea is to pick up the tanker by backing up into it. But when the shop keeper tells her it's not going to happen, she comes up with a better plan.
When you arrive at the gas station, Cesar's cousin will go inside and try to hold it up.
