2010 Toyota Prius Owners Manual - Page 520

5-2. Steps to take in an emergency Warning light Warning light/Details Automatic headlight leveling system warning light (if equipped) Indicates a malfunction in the automatic headlight leveling system. ABS warning light Malfunction in: • The ABS; or • The brake assist system. Brake system warning light (yellow indicator) Malfunction in the electronically controlled brake system. Electric power steering system warning light Malfunction in the EPS (Electric Power Steering). Pre-collision system warning light (if equipped) Indicates a malfunction in the pre-collision system. (U.S.A.) (Canada) 498