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The cabin air filter in your 2010 Cadillac CTS filters the air that is blown from your heater or air conditioner into the cabin of your CTS. You need to change it at least once a year or every 20,000 miles. Replacing the cabin air filter (also know as the dust filter, hvac filter, pollen filter, air conditioner filter and hepa filter) will improve the air quality of your CTS, 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 - they don't expire and you will be able to quickly swap the old one out for a fresh one).
Not all Cadillacs have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (Premium). Newer cars are more likely to have a cabin air filter than older models. If your CTS has a funky odor when you turn on the heat or air conditioner, or it seems like the fan doesn't work as well as it used to, replacing your cabin air filter is a quick and cheap fix! The video above shows you the cabin air filter location in your CTS and how to change it!
There's no reason to check the washer fluid level without adding some - see how to do it here!2010 Cadillac CTS Premium 3.6L V6 Wagon
Carmakers are hiding interior fuse boxes all over the place these days - see how to check your interior fuses here!2010 Cadillac CTS Premium 3.6L V6 Wagon
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!2010 Cadillac CTS Premium 3.6L V6 Wagon
The rear wiper that you forgot you had until it streaks horrifically on a rainy day? Change it now!2010 Cadillac CTS Premium 3.6L V6 Wagon
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2010 Cadillac CTS Premium 3.6L V6 Wagon
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2010 Cadillac CTS Premium 3.6L V6 Wagon