2008 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. FEATURES/OPERATIONS Tire Pressure Warning System If tire pressure becomes critically low on any of the tires (excluding spare), indicator illuminates. Pushing " SET" button should not turn off the light. Correctly adjusting tire inflation will turn off the light after a few minutes. After replacing/rotating tire or wheels, the system must be initialized. Refer to the Owner's Manual for details on system reset initialization. 27 SAFETY AND EMERGENCY FEATURES