2011 Toyota Sienna Owners Manual - Page 767

5-1. Essential information Fuel pump shut off system To minimize the risk of fuel leakage when the engine stalls or when an airbag inflates upon collision, the fuel pump shut off system stops the supply of fuel to the engine. Follow the procedure below to restart the engine after the system is activated. Vehicles without a smart key system STEP 1 STEP 2 Turn the engine switch to the "ACC" or "LOCK" position. Restart the engine. Turn the "ENGINE START STOP" switch to ACCESSORY mode or turn it off. Restart the engine. Vehicles with a smart key system STEP 1 STEP 2 NOTICE