2017 TOYOTA RAV4 key battery

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5877-3. Do-it-yourself maintenance
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Maintenance and care
■Use a CR2016 (vehicles without smar t key system), or CR2032 (vehicles
with smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
WARNING
■ Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote control.
● Do not bend either of the battery terminals.

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8When trouble arises
8-1. Essential informationEmergency flashers .......... 604
If your vehicle has to be stopped in an
emergency ...................... 605
8-2. Steps to take in an emergency
If your vehicle needs to be towed ..................... 607
If you think something is wrong ......... 613
Fuel pump shut off system ............................ 614
If a warning light turns on or a warning buzzer
sounds ............................ 615
If a warning message is displayed......................... 625
If you have a flat tire.......... 641
If the engine will not start ..................... 654
If the electronic key does not operate properly
(vehicles with
smart key system) ........... 656
If the vehicle battery is discharged ................... 658
If your vehicle overheats ... 662
If the vehicle becomes stuck ............................... 665

6398-2. Steps to take in an emergency
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When trouble arises
Once⎯
An attempt was made to start
the engine with the shift lever in
an incorrect position.
→Shift the shift lever to P
and start the engine.
⎯⎯
Power was turned off due to the
automatic power off function.
→Next time when starting
the engine, increase the
engine speed slightly and
maintain that level for
approximately 5 minutes
to recharge the battery.
Once⎯
The electronic key has a low
battery.
→Replace the electronic key
battery. ( →P. 585)
Once⎯
The driver’s door was opened
and closed with the engine
switch turned off and then the
engine switch was put in
ACCESSORY mode twice with-
out the engine being started.
→Press the engine switch
while depressing the brake
pedal.
During an engine starting pro-
cedure in the event that the
electronic key was not function-
ing properly ( →P. 657), the
engine switch was touched with
the electronic key.
→ Press the engine switch
within 10 seconds of the
buzzer sounding.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)

654
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8-2. Steps to take in an emergency
If the engine will not start
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(→ P. 196, 198)
● There may be a malfunction in the engine immobilizer system.
(→ P. 73)
One of the following may be the cause of the problem:
● The battery may be discharged. ( →P. 658)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as an open circuit or a blown fuse. However, an interim
measure is available to start the engine. ( →P. 655)
If the engine will not start eve n though correct starting proce-
dures are being followed ( →P. 196, 198), consider each of the fol-
lowing points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with smart key
system).

6558-2. Steps to take in an emergency
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8
When trouble arises
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( →P. 658)
● There may be a malfunction in the steering lock system (vehicles
with smart key system).
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is functioning
normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the ve hicle inspected by your Toyota
dealer.
The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
Emergency start function (vehicles with smart key system)
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8-2. Steps to take in an emergency
If the electronic key does not operate properly
(vehicles with smart key system)
Use the mechanical key
(→ P. 99) in order to perform the
following operations:
Locks all the 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 electronic key and vehicle is
interrupted ( →P. 132) or the electronic key cannot be used
because the battery is depleted, the smart key system and wire-
less remote control cannot be used. In such cases, the doors
can be opened and the engine ca n be started by following the
procedure below.
Locking and unlocking the doors
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6578-2. Steps to take in an emergency
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8
When trouble arises
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
When the electronic key is
detected, a buzzer sounds and the
engine switch will turn to IGNITION
ON mode.
When the smart key system is
deactivated in customization set-
ting, the engine switch will turn to
ACCESSORY mode.
Firmly depress the brake pedal and check that is displayed
on the multi-information display.
Press the engine switch.
In the event that the engine still ca nnot be started, contact your Toyota
dealer.
■ Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(→P. 585)
■ Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed.( →P. 199)
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: →P. 699)
● Check if battery-saving mode is set. If it is set, cancel the function.
(→P. 131)
Starting the engine
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6598-2. Steps to take in an emergency
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When trouble arises
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that level for approximately 5 minutes to
recharge the batter y of your vehicle.
Vehicles with smart key system only: Open and close any of the
doors of your vehicle with the engine switch off.
Vehicles without smart key system:
Maintain the engine speed of t he second vehicle and start the
engine of your vehicle.
Vehicles with smart key system:
Maintain the engine speed of t he second vehicle and start the
engine of your vehicle by turning the engine switch to IGNITION
ON mode.
Once the vehicle’s engine has star ted, remove the jumper cables in
the exact reverse order from which they were connected.
Once the engine starts, have the v ehicle inspected at your Toyota
dealer as soon as possible.
■ Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■ To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
■ Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long time, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
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