2012 Toyota Prius Owners Manual - Page 794

5-2. Steps to take in an emergency Stop the vehicle immediately. The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Toyota dealer. Warning light Warning light/Details Charging system warning light Indicates a malfunction in the vehicle's charging system High coolant temperature warning light Indicates that the coolant temperature is too high Changes from a flashing to a solid light when the engine coolant temperature increases. 494