Sea Foam and Sea Foam Spray safe in hybrid vehicle? [SOLVED]

Hybrid electric vehicles use a high voltage battery and parts of the electrical system, and there are a few other variance considerations in the engineering. Do I need to be weary of using Sea Foam Motor Treatment in my (2009) Prius, and, if so, in what aspects ? To clarify, is it safe in the oil? The gasoline? And, is the spray intake, “Top Engine Cleaner and Lube,” safe to use in hybrid electric vehicles? And, when I do use it, what types of mechanical responses should I look for as a “warning sign” that something is “not right” ?

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Jim D.
Jim D.
5 months ago

Thanks for the question, Melinda.

Sea Foam Motor Treatment is safe and effective in both the fuel and the oil of your Prius. Nothing to worry about as it is made with 100% safe petroleum cleaning and lubricating ingredients and can’t harm parts or components.

In fuel, add a full can of Sea Foam Motor Treatment to a low tank (1/8 tank or so) and drive at least 20 miles before refueling. That will create a high cleaning concentration and it’s one of the best ways to use a can of Sea Foam.

You can add it to oil at any time, but we recommend adding it 100-300 miles before your next oil change so the residues and deposits cleaned by the Sea Foam can be drained away with the old oil. Add 1 ounce of Sea Foam per quart of oil.

The Sea Foam Spray (“Top Engine Cleaner and Lube”) is safe as well in your Prius. 1-2 times a year is the interval we recommend for Sea Foam Spray.

Note that the gasoline engine is separate from the hybrid/electrical components. All of the hybrid systems are separate (but work in conjunction with) the gasoline motor. There are no worries when using Sea Foam products in a hybrid vehicle. Just follow the instructions on the cans or any of the official Sea Foam videos on the website and you’re good to go!

Hope that helps!