2008 Toyota Avalon Owners Manual - Page 150

2-1. Driving procedures n When the steering lock cannot be released The green indicator light on the "ENGINE START STOP" switch will flash. Press the "ENGINE START STOP" switch again while turning the steering wheel slightly in either direction. n If the engine does not start The engine immobilizer system may not have been deactivated. (→P. 75) n When the "ENGINE START STOP" switch indicator flashes in amber The system may be malfunctioning. Have the vehicle inspected by your Toyota dealer immediately. n Auto power OFF function The "ENGINE START STOP" switch will automatically turn OFF when left in ACC mode for 1 hour or more. n Electronic key battery depletion →P. 30 n When the electronic key battery is discharged →P. 340 n Conditions affecting operation →P. 28 n Leak detection pump Several hours after the engine is turned off, you may hear a sound coming from underneath the luggage compartment for several minutes. This is normal operation and does not indicate a malfunction. 124