Prevent Windshield Crack | Best From Spreading

| Crack length | Action | | :--- | :--- | | < 6 inches | Apply tape, avoid temperature shocks, see repair shop within days | | 6–12 inches | Professional resin injection likely works | | > 12 inches or edge crack | Schedule full windshield replacement |

Windshield cracks can occur due to various reasons, including: prevent windshield crack from spreading

| | Don’t (Avoid these actions) | | :--- | :--- | | Apply transparent tape over the crack (on both sides if possible) to keep out moisture and debris. | Do not wash the car with high-pressure water; moisture forces the crack to expand. | | Park in a garage or shaded area to avoid extreme temperature changes. | Do not use a defroster on full heat or AC directly on the windshield. | | Gently clean the area around the crack with glass cleaner before taping, but avoid pressing on the crack. | Do not slam car doors – the air pressure change can stress the glass. | | Drive slowly on smooth roads to minimize vibration. | Do not attempt DIY repair kits on cracks longer than 6 inches (15 cm). | | Crack length | Action | | :---

Direct sunlight cooks your dashboard and glass, increasing stress on the fracture. Avoid "Thermal Shock": | Do not use a defroster on full