2010 TOYOTA PRIUS remote start

66 1-3. Opening, closing and locking the doors and back door
PRIUS_U (OM47668U) U.S.A.
■Security feature
If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■ If the wireless remote cont rol does not operate properly
● Locking and unlocking the doors: Use the mechanical key. ( P. 541)
● Starting the hybrid system ( P. 162)
■ When the electronic key battery is fully depleted
 P. 460
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. 2-step unlocking function) can be changed. 
(Customizable features P. 587)

286 3-1. Using the air conditioning system and defogger
PRIUS_U (OM47668U) U.S.A.
■Operating conditions
The system will only operate if all of the following conditions are met:
● The shift position is in “P”.
● The “POWER” switch is OFF.
● All doors are closed.
● The hood is closed.
● The brake pedal is not being depressed.
● The air conditioning is not set to MAX HOT.
■ When leaving the vehicle
● Check that the headlights are switched to either off or “AUTO”.
● Check that the wiper switch is turned off.
● Check that all windows are closed.
● Check the temperature setting of the air conditioning system. 
The Remote Air Conditioning System will operate in accordance with the
temperature settings of the air conditioning system.
■ Remote Air Conditioning System automatic shut-off
The system will automatically shut off under the following conditions:
● About 3 minutes have passed since operation began
● Any one of the operating conditions is not met
The system may also shut off if the charge level of the hybrid battery (trac-
tion battery) drops to low. ( P. 188)
■ Conditions affecting operation
The system may not start in the following situations:
● The charge level of the hybrid battery (traction battery) is low (P. 188)
● The air conditioning temperature is set at a high level

392 3-6. Other interior features
PRIUS_U (OM47668U) U.S.A.■
Programming an entry gate (f or U.S.A. owners)/Programming
all devices in the Canadian market
Place your transmitter 1 to 3 in. (25 to 75 mm) away from the
surface of the HomeLink
.
Keep the indicator light on the HomeLink in view while program-
ming.
Press and hold the selected HomeLink button.
Repeatedly press and release (cycle) the device’s remote
control button for two seconds each until step 4 is complete.
When the indicator light on the HomeLink
 compatible trans-
ceiver start to flashing rapidly, release the buttons.
Test the operation of the HomeLink
 by pressing the newly
programmed button. Check to se e if the gate/device operates
correctly.
Repeat the steps above to program another device for each of
the remaining HomeLink
 buttons.
■ Programming other devices
To program other devices such as home security systems, home
door locks or lighting, contact your authorized Toyota dealer for
assistance.
■ Reprogramming a button
The individual HomeLink
 buttons cannot be erased but can be
reprogrammed. To reprogram a button, follow the “Basic program-
ming” instructions.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6

438 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.
■After recharging/reconnecting the 12 volt battery
● Unlocking the doors using the smart key system may not be possible
immediately after disconnecting the 12 volt battery. If this happens, use
the wireless remote control or the mechanical key to lock/unlock the
doors.
● Start the hybrid system with the “POWER” switch in ACCESSORY mode.
The hybrid system may not start with the “POWER” switch turned OFF.
However, the hybrid system will operate normally from the second
attempt.
● The “POWER” switch mode is recorded by the vehicle. If the battery is
reconnected, the vehicle will return the “POWER” switch mode to the sta-
tus it was in before the battery was disconnected. Make sure to turn off
the power before disconnect the battery. Take extra care when connect-
ing the battery if the “POWER” switch mode prior to discharge is
unknown.
If the system will not start even after multiple attempts, contact your Toyota
dealer.
CAUTION
■ Chemicals in the 12 volt battery
The 12 volt battery contains poisonous and corrosive sulfuric acid and may
produce hydrogen gas which is flammable and explosive. To reduce the risk
of death or serious injury, take the following precautions while working on or
near the 12 volt battery:
● Do not cause sparks by touching the 12 volt battery terminals with tools.
● Do not smoke or light a match near the 12 volt battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the 12 volt battery.
● Keep children away from the 12 volt battery.

5
When trouble arises
541
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
If the electronic key does not operate properly
Locking and unlocking the doorsUsing the mechanical key
( P. 41) in order to perform
the following operations:
Locks all doors
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
If communication between the elect ronic key and vehicle is inter-
rupted (
P. 43, 57) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors can be opened or the
hybrid system can be started by following the procedure below.
ITO52P12N