The air filter accumulates dust and debris and should be replaced to protect the engine and maximize fuel economy. For optimal engine performance and longevity, replace every 1 year or 15,000 miles.

Automatic transmission fluid becomes heat fatigued and accumulates moisture over time which can lead to automatic transmission damage if not serviced regularly. It should be replaced every 2 years or 30,000 miles.

Automatic transmission fluid becomes heat fatigued and accumulates moisture over time which can lead to automatic transmission damage if not serviced regularly. The filter should be replaced at this time a well. This service should be performed every 2 years or 30,000 miles.

Brake fluid accumulates moisture and contamination from component wear over time and unless replaced every 30,000 miles or 2 years, can cause brake system damage.

Engine coolant breaks down, gets rusty and becomes contaminated with debris from component wear over time and can cause engine or cooling system damage if not replaced every 2 years or 30,0000 miles.

Differential fluid breaks down and becomes contaminated with moisture over time and can lead to differential damage from a lack of proper lubrication. It should be replaced every 2 years or 30,000 miles.

Differential fluid breaks down and becomes contaminated with moisture over time and can lead to differential damage from a lack of proper lubrication. It should be replaced every 2 years or 30,000 miles.

Drive belts crack and become glazed over time and can squeak or even break. They should be replaced every 45,000 miles.

The Fuel Filter becomes restricted as it accumulates debris from filtering the fuel which, can lead to perfomance problems and early fuel pump failure. It should be replaced every 2 years or 30,000 miles in vehicles where it is replaceable.

The Manual Transmission fluid breaks down and becomes contaminated with moisture over time and can lead to transmission damage from a lack of proper lubrication. It should be replaced every 2 years or 30,000 miles.

It is important to rotate the tires from front to rear every 5000-7500 miles so that they wear evenly. This may not be possible on some vehicles because of directional tread design or rim size differences.

Spark Plug terminals wear down over time and can lead to engine misfires and increased exhaust emissions. Replace according to the vehicle manufacturers recommended replacement interval.