Like other biodegradable products, gasoline can go bad, degrading into a gummy, foul-smelling substance in around three to six months. Running gasoline that is no longer good can cause expensive problems, like requiring a fuel pump replacement. Luckily, modern vehicles have a sealed fuel system to help minimize fuel oxidation, but your fuel will still degrade over time no matter what if it's not burned off.Brakes
When your vehicle isn't moving, rust can form on the rotors, especially 
when sitting outside exposed to weather conditions. Rust can get into the brake pad lining and can cause problems like noise, dangerous uneven braking, and even brake pedal pulsation. To keep your brakes from developing rust buildup, drive your vehicle for 30-60 minutes once a week to stop it from forming.
If you use your parking brake, make sure you're regularly releasing it to keep it from locking up and becoming difficult to release.
If you leave your vehicle sitting for a long time, the air pressure will slowly decrease in your tires, which affects performance, safety, and gas mileage. If they sit for long enough, they can develop flat spots as well. To combat this if you plan on having your vehicle sit for a while, you can add 5-10 extra lbs of air to your tires. If you do this, make sure you return your vehicle to the manufacturer-recommended air pressure as prescribed by the vehicle's manual before you take it on the road again!
Hyundai of Keene
14 Production Ave
Keene, NH 03431
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