The Snorkel The snorkel lets you breathe with your face in the water. A snorkel should fit comfortably in your mouth with the tip at the crown of your head. The vast majority of snorkels will do this easily with minor adjustments, so your primary selection considerations are mouthpiece comfort and features.
Transmission flush - 20,000 miles; Transmission Filter - 50,000 miles; Radiator flush. - 30,000 miles; Air filter. - As needed. Oil change. - 3 months or 3,000 miles - usually right away with new vehicle. Emissions clean. - 25,000 miles; Brake inspection. Right away with new vehicle. Serpentine belt - 50,000 miles inspect often.
After that the gas engine will kick in and allow the car to be driven an additional 344 miles on a full tank (9.3 gallons) of gas. Q: How many miles per gallon will the Chevy Volt get? A: A bit of a trick question. For the first 35 miles it will get infinite mpg, because no gas will be burned. When the generator starts, the car will get 37 mpg (35 mpg city/40 mpg highway) thereafter. One can calculate the average mpg per for any length drive starting with a full battery: Total MPG = ~37 x miles/(miles-35). The official EPA fuel economy can be viewed here.