Alright , so I am an automotive moron . How often should you get new tires ? My tires are 2 years old , they look ok , but I have no idea how to check to see if they are bald or what have you .

Question with options to choose from: What may I be currently describing ?
pick from the following. 1). My lawnmover 2). My car 3). My skateboard 4). My bike
2).