Insert the pump tube into the fill hole/dipstick hole. Continue to feed until the tube hits the bottom.

Attach positive and negative alligator clips onto the battery terminal

This is not necessary if you’re using a manual pump.

Start the suction motor by flipping the "On" switch and start collecting the used oil into a container.

For manual pumps, start pumping.

The referenced vehicle has a trunk mounted battery. There is also an extended positive terminal to the front (circled in orange on the right side of photo 2 of step 3) If no negative terminal is available, secure the ground clip to exposed metal on the vehicle frame or engine block.