2004 Toyota Prius Owners Manual - Page 35

Smart entry and start system By carrying a smart key, you can lock and unlock the doors and start the hybrid system. For locking the doors, see "Locking the doors with smart function" on page 28. For unlocking the doors, see "Unlocking the door(s) with smart function" on page 29. For starting the hybrid system, see "Push button start" on page 130. INFORMATION D Be sure to take the smart key with you. D In the following cases, the smart function or wireless remote control feature may not operate properly. (If this happens, use a mechanical key to lock or unlock the driver's door and a smart key to start the hybrid system.) z When facilities issuing strong electromagnetic waves such as TV towers, electric power stations, broadcasting stations are nearby. z When you are carrying a smart key together with a mobile communications system such as a two−way radio or cellular phone. z When the smart key is in contact with or covered by a metallic object. z When another person is operating a wireless remote control function on another vehicle near your vehicle. 21p120 If the smart key battery is discharged, the smart function cannot be used. Use the mechanical key attached to the smart key by inserting it in the driver's door keyhole to lock or unlock door. To start the hybrid system, insert the smart key into the key slot. In order to activate the smart function, the battery should be replaced. For details, see "REPLACING THE BATTERY" on page 36. You can deactivate the smart function by using the cancel switch. In this case, all the smart function will be deactivated. For details, see "Deactivating the smart function" on page 32. 1. Locking and unlocking 2. Starting the hybrid system 23