Page 346 of 468

346 4-3. Do-it-yourself maintenance
■If the key battery is discharged
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use the following types of lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart key system: CR2025 (Type A), CR2016 (Type B)
●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.
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 components inside the remote control.
● Do not bend either of the battery terminals.
Page 367 of 468
When trouble arises5
367
5-1. Essential information .... 368If your vehicle needs to be towed ........................ 368
If you think something is wrong ......................... 373
Fuel pump shut off system ........................... 374
Event data recorder ......... 375 5-2. Steps to take in an
emergency .................... 377
If a warning light turns on or a warning buzzer
sounds... ....................... 377
If you have a flat tire......... 388
If the engine will not start ................................ 399
If the shift lever cannot be shifted from P
(automatic
transmission) ................. 401
If you lose your keys ........ 402
If the electronic key does not operate properly
(vehicles with smart
key system).................... 403
If the battery is discharged ..................... 405
If your vehicle overheats ....................... 411
If the vehicle becomes stuck .............................. 414
Page 386 of 468

386 5-2. Steps to take in an emergency
Follow the correction procedures. (vehicles with smart key system)
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
*: 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. 2 9 )
Interior
buzzerExterior
buzzerWarning
lightWarning light/DetailsCorrection procedure
Once (Comes
on for 8
seconds.) Smart key system warning
light
Indicates that the electronic
key is not present when the
“ENGINE START STOP”
switch is pressed. Confirm the
location of the
electronic
key*.
Once3 times
Smart key system warning
light
Indicates that a door other
than the driver’s door has
been opened and closed with
the “ENGINE START STOP”
switch in any mode other
than OFF and the electronic
key outside of the detection
area. Confirm the
location of the
electronic
key.
Once3 times
Smart key system warning
light
Indicates that the driver’s door
has been opened or closed
with the shift lever in P, the
“ENGINE START STOP”
switch in any mode other than
OFF and the electronic key
outside of the detection area. Turn the
“ENGINE
START
STOP” switch
OFF or con-
firm the loca-
tion of the
electronic
key.
Page 399 of 468

5
When trouble arises
399
5-2. Steps to take in an emergency
If the engine will not star t
If the engine still does not start after following the correct starting
procedure (P. 122, 126) or releasing the steering lock ( P. 124,
128), confirm the fo llowing 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. 122, 126)
● There may be a malfunction in the engine immobilizer system.
( P. 7 5 )
■ 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. 405)
● The battery terminal connec tions may be loose or corroded.
■ The starter motor does not turn over (vehicles with smart
key system).
One of the following may be the cause of the problem.
●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. 400)
● The electronic key battery is depleted. However, an interim
measure is available to start the engine. ( P. 404)
Page 400 of 468

400 5-2. Steps to take in an emergency
Emergency start function (vehicles with smart key system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally.Set the parking brake.
Shift the shift lever to P.
Set the “ENGINE START ST OP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the system
may be malfunctioning. Have the vehicle checked by your Toyota
dealer.
■ 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. 405)
● 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.
STEP1
STEP2
STEP3
STEP4
Page 403 of 468
5
When trouble arises
403
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 and opening the trunk with the mechanical key
DoorsLocks all doors
Unlocks doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
TrunkTurn the mechanical key clock-
wise to open.
If communication between the elect ronic key and the vehicle is inter-
rupted ( P. 26) 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 trunk can be
opened or the engine can be st arted by following the procedure
below.
Page 404 of 468

404 5-2. Steps to take in an emergency
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.
An alarm will sound to indicate
that the start function cannot
detect the electronic key that is
touched to the “ENGINE START
STOP” switch if any of the doors
is opened and closed while the
key is touched to the switch.
To change “ENGINE START STOP” switch modes: Within 5
seconds of the buzzer soundin g, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the sw itch is pressed. (P. 123)
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.
STEP1
STEP2
■ 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. 343)
STEP3
Page 405 of 468
5
When trouble arises
405
5-2. Steps to take in an emergency
If the batter y is discharged
The following procedures may be used to start the engine if the vehi-
cle's battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or boo ster) cables and a second vehi-
cle with a 12-volt battery, you can jump start your Toyota following
the steps below.
1.8 L 4-cylinder (2ZR-FE) engine Remove the engine cover.
Raise the rear of the engine
cover to remove the two rear
clips, and then raise the front
of the engine cover to remove
the two front clips.
STEP5STEP1