2010 Toyota Highlander Owners Manual - Page 81
2010 Toyota Highlander Manual
Page 81 highlights
1-3. Opening, closing and locking the doors ● The doors may unlock if a large amount of water splashes on the door handle, such as in the rain or in a car wash. (The doors will automatically be locked after approximately 60 seconds if the doors are not opened and closed.) ● Gripping the door handle when wearing a glove may not unlock the door. ● If the wireless remote control is used to lock the doors when the electronic key is near the vehicle, there is a possibility that the door may not be unlocked by the entry function. (Use the wireless remote control to unlock the doors.)