2011 Toyota Prius Owners Manual - Page 76

1-2. Key information n Battery-saving function In the following circumstances, the entry function is disabled in order to prevent the vehicle battery from discharging and electronic key battery from depleting. l When the entry function has not been used for 5 days or more l When the electronic key has been left within approximately 6 ft. (2 m) of the vehicle for 10 minutes or more l If the entry function has not been used for 14 days or more, the vehicle cannot be unlocked by a door other than the driver's door. To unlock the vehicle, grip the driver's door handle or use the wireless remote control or the mechanical key. The system will resume operation when...l The vehicle is locked touching the door handle lock sensor area. l The vehicle is locked/unlocked using the wireless remote control function (→P. 63) or the mechanical key. (→P. 549) n Electronic key battery depletion →P. 64 1 Before driving 49 PRIUS_U (OM47685U) DVD