1. Wash and clay the panel. 2. Work in a dust-free, cool garage. 3. Peel 6 inches of liner at a time. 4. Stretch gently — never pull hard. 5. Use a squeegee with a felt edge. 6. Heat-set curves at 50% overlap. 7. Tuck edges with a plastic trim tool. 8. Trim 10mm oversize, then finish. 9. Post-heat all edges after 24 hours. Patience beats speed: a full car takes two weekends your first time.