2004 Toyota Prius Owners Manual - Page 43

INFORMATION z When changing the mode, be sure to push both " " (lock) and " " (panic) buttons firmly, or panic alarm may be activated. z This operation will not change the wireless remote control unlocking function. z In the single or driver's door unlocking mode, if you get into the vehicle from the driver's door carrying the smart key, all the smart unlocking controls activated by the smart key will be stopped for security. If you get out of the vehicle from the driver's door carrying the smart key and get out of the effective range of the smart function, unlocking control by the smart key will be possible. However, unlocking control may not be carried out for 5 seconds after you get out from the vehicle. In this case, operate unlock control again after 5 seconds. BATTERY POWER SAVING When doors are locked, the smart entry and start system transmits electromagnetic waves to the outside of the vehicle at regular intervals. For this reason, the vehicle battery will be discharged if the vehicle is left for a long time. If the key is left within the effective range of the smart function outside of the vehicle, the key and the vehicle transmit electromagnetic waves periodically. If these conditions continue for a long time, the battery in the key and vehicle will be discharged. To prevent the batteries from being discharged, the smart function is automatically deactivated in the following conditions: To reactivate the smart function, perform any of the following: (a) Press the lock button on the outside front door handle or back door while carrying the smart key. (b) Perform a wireless remote control operation. (c) Insert and turn the mechanical key in the keyhole of the driver's door. D If there is no response from the key for more than 14 days D If the key is left within the effective range of the smart function outside of the vehicle for more than 10 minutes 31