1Find the air filter box

Open the hood. Look for a black plastic box connected to a large intake hose.
Swap your engine air filter in 10 minutes, usually with no tools. Better airflow, better efficiency.

The engine air filter stops dust and debris from getting into your engine. A clogged one can hurt acceleration and fuel economy. Most cars use a rectangular filter in a black plastic box with clips, and it takes about ten minutes to change. Check it every 15,000–30,000 miles.
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Open the hood. Look for a black plastic box connected to a large intake hose.

Unsnap the metal clips (or undo the screws) holding the lid.

Lift the lid and pull the old filter out. Don't let debris fall into the intake.

A grey, clogged filter that blocks light needs replacing.

Seat the new filter with its rubber edge sealed all the way around, close the lid and snap the clips.
General guidance only. Procedures vary by year, engine and trim; if unsure, consult a qualified mechanic or your owner’s manual.