Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to fill air in a car's tires [title] Buy a tire pressure gauge. [step] Look for the tool at an auto-parts store-something like napa, autozone, checker, kragen, o'reilly, or canadian tire. Pocket gauges are inexpensive and portable.

Ending1: Prices range from $5 for a basic gauge to more than $30 for one that is digital, has an air-release button, or even talks. There are two types of pocket gauge: dial-type and pencil-type. Ending2: They are hard to find or they are much more difficult to clean up. New tires are often washed and replace often because they are not being maintained regularly. Ending3: [substeps] " gauges " are small rubber strips on the wheel, which you place on the tires to prevent them from touching other cars. When you put the gauge in a tire, be sure to use a clean coil wrench. Ending4: While customizable, they will be in the range of 18 to 145 millihz. [substeps] When you are looking at tire pressures in cars, you should expect them to be more expensive.

Answer format: ending1/ending2/ending3/ending4