Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to fix the alignment on a car [title] Check your tire pressure. [step] Your tires should be appropriately and evenly inflated before you proceed. [substeps] Tires that are not properly inflated may actually be the cause of your performance issues, so it's a good idea to check this first.

Ending1: You may not need to do anything else. Additionally, having your tires inflated properly is important for getting accurate reads on the measurements you'll be taking later. Ending2: Some scientists believe that the ideal tire pressure should be less than a p.o. box if you're trying to fix a vehicle with a skewed tire. Ending3: Pre-inflated tires have a better chance at stopping a crash then non-inflated tires. [title] Fill your tire's valve housing. Ending4: Tire pressure will likely be listed in the driver's manual, or at your local auto parts store. [title] Make sure your car has an automatic start option.

Answer format: ending1/ending2/ending3/ending4