2010 Toyota Highlander Owners Manual - Page 1274

1-2. Opening, closing and locking the doors Alarm Situation Tried to close the driver's door after carrying the key outside the vehicle with the "ENGINE START STOP" switch in IGNITION ON or ACCESSORY mode and without the shift lever being in P. The electronic key has a low battery. Correction procedure Interior and exterior alarms sound continuously.* Shift the shift lever to P, turn the "ENGINE START STOP" switch OFF and close the driver's door again. 1 Before driving Replace the electronic key battery. Start the engine with the electronic key present. Interior alarm beeps once.* Tried to start the engine without the electronic key being present, or when the electronic key was not functioning normally. Tried to close the driver's door after carrying the key outside the vehicle without turning the "ENGINE START STOP" switch OFF. An occupant carried the electronic key outside the vehicle and closed the door when the "ENGINE START STOP" switch was in IGNITION ON or ACCESSORY mode. Interior alarm beeps once and exterior alarm sounds 3 times.* Turn the "ENGINE START STOP" switch OFF and close the driver's door again. Bring the electronic key back into the vehicle. * : A message will be shown on the multi-information display.