Government vehicle

The Government Vehicle is used to transport Agent Trigger and Agent Powers to Gravity Falls.

History
It's first mentioned in Scary-oke when Soos asks Grunkle Stan what the secret code is for if he sees a Government Vehicle near the Mystery Shack.

Appearance
The car is dark blue and has an numberplate with USEXEMPT on it. It also has a sticker with "Honk if you want to be arrested"