2010 Toyota Highlander Owners Manual - Page 542

5-2. Steps to take in an emergency n If the tire pressure warning light comes on after blinking for 1 minute frequently Vehicles without smart key system If the tire pressure warning light comes on after blinking for 1 minute frequently when the engine switch is turned to the "ON" position, have it checked by your Toyota dealer. Vehicles with smart key system If the tire pressure warning light comes on after blinking for 1 minute frequently when the "ENGINE START STOP" switch is turned to IGNITION ON mode, have it checked by your Toyota dealer. 518