Multi-select problem: How does the next paragraph end?

How to use seafoam
Warm up the engine.
Park the car in a well-ventilated area and start the engine. Let the engine warm to operating temperatures.

Available options:
(1). After a few minutes you should see that the water in the engine compartment has soaked into the seafoam. Run the warm up oil into the oil injector..
(2). If you need to work from home, you may already have a warm welder or welding area. If this is the case, change your engine temperature to 375 f (190 c) and lower it to warm up the engine before beginning..
(3). Once it is warmed, loosen the tabs on the bottom tube of the negative, slide the two exhaust bolts apart at least three hours before pressing the " start " button. Some good options are speed, neutral, and coolflow..
(4). You must do this while the car is in a well-ventilated area since the process will usually create a lot of smoke. Vehicles with automatic transmission should be kept in park..
(4).