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The cabin air filter (also known as the pollen filter, AC filter, dust filter, hvac filter and hepa filter) in your 2003 Toyota Highlander cleans the air that you and your passengers breath inside of your car. You need to change it at least once a year or every 20,000 miles, whichever comes first. In addition to improving the air quality of your Highlander, replacing your cabin air filter will put less strain on your heating and air conditioning system and can increase your gas mileage. These filters are fairly inexpensive, so check out our parts page for great deals on a new one (tip: buy several, when you go to check the cabin air filter on your Highlander, you can easily swap it for a new one if it is dirty).
Not all Toyotas have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (Base). If your Highlander smells bad when you turn on the heater or air conditioner, or it seems like the fan doesn't blow air as well as it used to, replacing your cabin air filter is a likely the best fix! The video above shows you where the cabin air filter in your 2003 Highlander is located and how to check it.
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2003 Toyota Highlander 2.4L 4 Cyl.
Many cars will burn or leak a little bit of oil. Over time, this adds up and you might need to add some - learn how to here!2003 Toyota Highlander 2.4L 4 Cyl.
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2003 Toyota Highlander 2.4L 4 Cyl.
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2003 Toyota Highlander 2.4L 4 Cyl.
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2003 Toyota Highlander 2.4L 4 Cyl.