The most obvious reason to Floor Jack 3T up a car is to change a tire, but other jobs, such as inspecting brakes, may also require you to get under the vehicle. Before you jack up your vehicle, observe the following safety precautions:

    Use the jack only to get a vehicle off the ground, never to hold a vehicle in place.

    Use jack stands when you work underneath your vehicle. People have been crushed to death when vehicles that were improperly secured fell on them.

    Never jack up a vehicle without blocking the wheels to keep it from rolling. Use bricks, wooden wedges, or metal wheel chocks to block the wheels at the end of the car that isn’t being raised.


Never change a tire on a freeway or highway. Call road service or an automobile association or hang a white rag or a white piece of paper out of the driver’s side window and wait for the highway patrol.

Always park a vehicle on level ground before you jack it up. If you get a flat tire on a hill and can’t coast to the bottom without killing the tire completely, park close to the curb, turn the wheels toward the curb, and block the downside wheels securely to prevent the car from rolling.

Put the car in Park (or in First if you have a manual transmission) and engage the parking brake before you Long Ram Jack up the vehicle.