See also:

How to Inspect the Engine Air Cleaner/Filter
To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains caked with dirt, a new filter is required ...

Under the hood
Unique with its all-four-cylinder powertrain, the Buick Regal relies on the excellent horsepower-per-liter ratio of the Ecotec engine family to deliver smart, on-demand performance that is also ve ...

2012 Buick Verano Review
Despite its commuter-car roots, the 2012 Buick Verano drives and feels more like a luxury car, which makes its starting price all the more attractive. Parent company GM sunk big cash into developing ...