2010 TOYOTA RAV4 key battery

380
4-3. Do-it-yourself maintenance
Key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery CR2016 (vehicles without smart key system)
or CR1632 (vehicles with smart key system)
■ Replacing the battery (vehicles without smart key system)
Remove the cover.
Remove the module.
STEP 1
STEP 2

381
4-3. Do-it-yourself maintenance
4
Maintenance and care
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the
“+” terminal facing up.
■
Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
STEP 3
STEP 1
STEP 2

382 4-3. Do-it-yourself maintenance
■If the key battery is depleted
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use a CR2016 (vehicles without sm art key system) or CR1632 (vehicles
with smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Toyota dealer.
● Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP 3

When trouble arises5
405
5-1. Essential informationEmergency flashers ......... 406
If your vehicle needs to be towed ........................ 407
If you think something is wrong ......................... 414
Fuel pump shut off system ........................... 415
Event data recorder ......... 416 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 418
If you have a flat tire (vehicles with standard
tires) ............................... 430
If you have a flat tire (vehicles with run-flat
tires) ............................... 447
If the engine will not start ................................ 448
If the shift lever cannot be shifted from P............ 449
If you lose your keys ........ 450
If the electronic key does not operate properly....... 451
If the battery is discharged ..................... 453
If your vehicle overheats ....................... 456
If the vehicle becomes stuck .............................. 458
If your vehicle has to be stopped in an
emergency ..................... 459

424 5-2. Steps to take in an emergency
*: If the engine does not start when the electronic key is inside the vehi-cle, the electronic key battery may be depleted or there may be diffi-
culties receiving the si gnal from the key. (P. 3 0 )
Once3 times
Smart key system warning
light
Indicates that the driver’s door
has been opened and closed
with the shift lever in P, the
“ENGINE START STOP”
switch in any mode other than
OFF and the electronic key
has been taken out of the
detection area. Turn the
“ENGINE
START
STOP” switch
OFF or con-
firm the loca-
tion of the
electronic
key.
ContinuousContinuous
Smart key system warning
light
Indicates that the driver’s door
has been opened and closed
with the shift lever not in P, the
“ENGINE START STOP”
switch in any mode other than
OFF and the electronic key
has been taken out of the
detection area.
• Shift the shift
lever to P.
• Confirm the location of the
electronic
key.
Interior
buzzerExterior
buzzerWarning lightWarning light/DetailsCorrection procedure

448
5-2. Steps to take in an emergency
If the engine will not star t
If the engine will not start even though correct starting procedures
are being followed (P. 143, 147) or releasing the steering lock, ( P.
143, 147), consider each of the following points.
■ The engine will not start even when the starter motor oper-
ates normally.
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 once more following correct starting
procedures. ( P. 143, 147)
● There may be a malfunction in the engine immobilizer system.
(  P. 9 2 )
■ The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem.
●The battery may be discharged. ( P. 453)
● The battery terminal connec tions may be loose or corroded.
■ The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
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. 453)
● There may be a malfunction in the steering lock system (vehi-
cles with smart key system).
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.

5
When trouble arises
451
5-2. Steps to take in an emergency
If the electronic key does not operate properly (vehicles with smart key system)
Locking and unlocking the doors with the mechanical keyUsing the mechanical key (P. 24)
in order to perform the following
operations:
Locks all doors
Unlocks all doors
Turning the key unlock the
driver’s door. Turning the key
once again unlocks the other
doors.
Changing “ENGINE START STOP” switch modes and starting the engine
Shift the shift lever to P and apply the brakes. Touch the Toyota emblem side of
the electronic key to the
“ENGINE START STOP” switch.
If any of the doors is opened and
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
If communication between the elect ronic key and the vehicle is inter-
rupted ( P. 30) 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 and back door can be
opened and the engine can be st arted by following the procedure
below.
STEP 1
STEP 2

452 5-2. Steps to take in an emergency
To change “ENGINE START STOP” switch modes: Within 5
seconds after the buzzer sounds, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (P. 144)
To start the engine: Press the “ENGINE START STOP” switch
within 5 seconds after the buzzer sounds, keeping the brake
pedal depressed.
In the event that the “ENGINE ST ART STOP” switch still cannot be
operated, contact your Toyota dealer.
■ Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” 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. 381)
STEP 3