Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use seafoam [title] Warm up the engine. [step] Park the car in a well-ventilated area and start the engine. Let the engine warm to operating temperatures.

Ending1: After a few minutes you should see that the water in the engine compartment has soaked into the seafoam. [title] Run the warm up oil into the oil injector. Ending2: 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. Ending3: 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. Ending4: [substeps] 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.

Answer format: ending1/ending2/ending3/ending4