Most automobile owner’s manuals recommend a switch of engine oil weights between seasons. If you did this last summer, switch to your car’s recommended winter weight as soon as the weather cools.
There’s really no such thing as a “safe” antifreeze, but if you’re getting your radiator flushed before winter, ask for a propylene glycol (PG) formula. It’s less toxic to children, pets, and wildlife than ethylene glycol (EG) coolants.
Do you have a roof rack for carrying summer recreational equipment? Remove it until next year. Roof racks decrease your vehicle’s aerodynamic efficiency and hurts fuel mileage — particularly at highway speeds. While you’re at it, check you car for any unnecessary summer items, such as coolers or picnic gear. No need to burn fuel by carrying unnecessary weight.
Evaluate your tires. Worn tread and improper tire pressure aren’t just bad for fuel economy — they’re not safe, particularly if you live in an area where highway icing is likely. Inspect, rotate, and balance. Whip out your tire pressure gauge at least once a month and check all four corners.
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