It happened at a Real Fitness Gym in Plaza Del Ray, California.
Surveillance video from inside the gym shows several angles of the vehicle plowing through the side of the building.
Witnesses nearby rushed inside to help anyone who was inside.
Officials say the 35-year-old driver lost control of the vehicle causing the collision. The driver of the truck was transported to the hospital.
There is no word on his condition or whether he will face charges.
No one inside the gym was hurt.
CAR INTO BUILDING