The body which falls out of a hotel window is clearly a dummy; it remains rigid throughout the drop.
Whilst stuck in traffic, McGarrett manages to sound his horn with both hands on the wheel.
While McGarrett and Ms King are talking in the hotel room, equipment can be seen briefly to the right of the screen next to the curtains.
During the news report, the voiceover reporter says "...of Jakarta, in the Malaysian federation." Jakarta is the capital of Indonesia which became a republic in 1949. Malaysia became a federation in 1963.