2009 Toyota Prius Owners Manual - Page 29

BASIC HYBRID VEHICLE OPERATION Emergency flashers Push Rear air vent OVERVIEW Note: The air vent on the right side of the rear seatback is designed to assist in cooling the Hybrid vehicle battery. DO NOT BLOCK OR COVER THIS VENT, as it may cause overheating, resulting in reduced vehicle performance. Tire Pressure Monitoring (warning) System FEATURES/OPERATIONS System reset initialization 1. Push and hold " SET" button until the indicator blinks three times. 2. Wait a few minutes to allow initialization to complete. After adjusting tire pressures, or after tires have been rotated or replaced, turn the ignition switch to "ON" and press and hold the " SET" button until indicator blinks three times. Let the vehicle sit for a few minutes to allow initialization to complete. Refer to the load label on the door jamb or the Owner's Manual for tire inflation specifications. If the tire pressure indicator flashes for more than 60 seconds and then remains on, take the vehicle to your local Toyota dealer. Note: The warning light may come on due to temperature changes or changes in tire pressure from natural air leakage. If the system has not been initialized recently, setting the tire pressures to factory specifications should turn off the light. 27 SAFETY AND EMERGENCY FEATURES