But you can try to avoid these fates by checking your data use throughout the month. Each iPhone carrier in the U.S. (with one exception) gives you multiple ways to find out how much data you're using.
Hereâs how to inspect your tires: 1  The penny test: Put a penny with Lincolnâs head upside down into the groove of the tire. 2  If you can see all of Lincolnâs head, the tire is considered dangerous. 3  The less of Lincolnâs head you can see, the safer you are.
1 Compare the measured psi to the psi found on the sticker inside the driverâs door of your vehicle or in ownerâs manual. 2  DO NOT compare to the psi on your tireâs sidewall. 3  If your psi is above the number, let air out until it matches. Check your tires âcoldâ â before youâve driven or at least three hours after youâve driven. 2  Insert pressure gauge into the valve stem on your tire. ( 3 The gauge will âpopâ out and show a measured number. 4  When you hear a âpssstâ sound, thatâs air escaping the tire.