Cover the crack with clear packing tape or windshield repair tape to keep out dirt and moisture
Avoid sudden temperature changes
Do not use hot water, defrosters on high, or direct heat on the glass
Park in the shade or a garage when possible
Drive gently and avoid potholes, speed bumps, and rough roads
Keep the windshield clean and dry
Apply temporary clear nail polish or resin only if suitable for a very small crack
Get a professional windshield repair as soon as possible
Replace the windshield if the crack is long, deep, or in the driver’s line of sight