Whether you should repair or replace your auto glass depends on several factors: the type of glass, location and size of the damage, and safety considerations. For windshields, chips smaller than a quarter and cracks less than six inches can often be repaired, especially if they’re not directly in the driver’s line of sight. Repairs preserve the original factory seal and are typically quicker and less expensive. However, side windows, rear windows, and sunroofs are usually made from tempered glass, which shatters on impact and cannot be repaired—these must be replaced. A professional technician can inspect the damage and recommend the safest and most cost-effective option.