I just bought a new Lexus CT-200h hybrid and had a question of my salesman regarding gasoline for the car. I wasn't satisfied with his answer. Maybe someone here has a better take on what kind of gas to use for my new hybrid.
Usually gasoline manufacturers add detergents and other cleaning agents to their premium gas. I always thought that the regular octane gas had much less of these sorts of chemicals. That means that if you buy the recommended regular gas, you are inviting buildups of carbon and other contaminants.
On the other hand, the car is designed for regular gas. There might be other consequences that I don't know about to using a higher octane gas than is called for.
So what's the best gasoline practice for a hybrid? Should I adopt occasional use of the small bottles of fuel system cleaners you can buy at WalMart or auto supply stores?