2008 TOYOTA AVALON key battery

When trouble arises5
361
AVALON_U_(L/O_0802)
5-1. Essential information .... 362If your vehicle needs to be 
towed ............................. 362
If you think something is 
wrong ............................. 366
Fuel pump shut off  system ........................... 367
Event data recorder ......... 368
5-2. Steps to take in an 
emergency .................... 370
If a warning light turns on  or a warning buzzer 
sounds... ........................ 370
If you have a flat tire......... 382
If the engine will not  start ................................ 391
If the shift lever cannot be 
shifted from P ................. 393
If you lose your keys ........ 394
If the electronic key does 
not operate properly 
(with smart key 
system) .......................... 395
If the vehicle battery is 
discharged ..................... 397
If your vehicle overheats .. 401
If the vehicle becomes 
stuck .............................. 404

5
When trouble arises
375
5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
Have the malfunction repaired immediately. (vehicles with smart
key system)
After taking the specified steps to correct the suspected problem,
check that the warning light turn off.
Interior buzzerExterior buzzerWarning lightDetailsCorrection procedure
Once
(Flashing)
The electronic key
is not detected
when attempting to
start the engine.
• Confirm the location of the
electronic key.
• The electronic key battery
maybe dis-
charged. 
( P. 340)
Once3 times
(Flashing)
An open door
other than the
driver’s door is
closed while the
electronic key is
outside the detec-
tion range and the
“ENGINE START
STOP” switch is in
ACC or ON mode.
Confirm the
location of the
electronic key.

392 5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
Emergency start function (vehicles with smart key system)When the engine does not start, th e 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 STOP” switch to the ACC mode.
Push and hold the “ENGINE START STOP” switch 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 vehicle checked by your Toyota
dealer.
■ The starter motor does not turn over (vehicles with smart
key system).
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine. 
(  P. 122)
■ 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. 397)
● 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

5
When trouble arises
395
5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
If the electronic key does not operate properly (with smart key system)
Locking and unlocking the doors key linked functionsUsing the mechanical key 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 unlocks the other
doors.
Changing “ENGINE START STOP” switch modes and starting the
engine
Put the shift lever in “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.
If communication between the elect ronic key and vehicle is inter-
rupted ( P. 28) 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
engine can be started by following the procedure below.
STEP1
STEP2

396 5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)To change the “ENGINE START STOP” switch modes: Within
5 seconds of the buzzer soundi
ng, release the brake pedal
and press the “ENGINE START STOP” switch. Modes can be
changed each time the sw itch is pressed. (P. 122) 
To start the engine: Press the “ENGINE START STOP” switch
within 5 seconds after the buzzer sounds, keeping the brake
pedal depressed.
If the “ENGINE START STOP” switch still cannot be operated, con-
tact 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 the temporary measure, it is recommended that
the electronic key battery be replaced immediately when the battery
depletes. ( P. 340)
STEP3

398 5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
■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 START
STOP” switch or the engine is turned off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
■ When the battery is removed or discharged
The following systems must be initialized.
● Power windows (
P. 66)
● Moon roof (
P. 70)
● Tire pressure warning system (
P. 324)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately
five minutes to recharge the battery of your vehicle.
Vehicles with smart key system  Open and close any of
the doors with the “ENGINE START STOP” switch OFF.
Maintain the engine speed on the second vehicle and turn
the “ENGINE START STOP” switch or the engine switch to
the ON mode, then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Toyota
dealer as soon as possible.STEP2
STEP3
STEP4
STEP5

444 Alphabetical index
AVALON_U_(L/O_0802)
Child safetyAirbag precautions ..................88
Child-protectors ....................... 41
Child restraint syst em..............99
How your child should wear 
the seatbelt ...........................57
Installing child restraints ........ 102
Moon roof ................................71
Power window lock switch....... 66
Power window precautions .....68
Removed key battery 
precautions .........................342
Seat belt comfort guide ........... 55
Seat belt precautions ..............58
Seat heater precautions ........ 271
Trunk .......................................45
Cleaning Exterior .................................. 288
Interior ...................................291
Seat belts ..............................292
Climate control seat.................270
Clock ......................................... 265
Compass ...................................283
Condenser ................................314
Console box ............................. 257
Cooling system Engine overheating ............... 401
Cruise control
Cruise control ........................149
Dynamic laser cruise 
control .................................152
Cup holders ..............................261
Curtain shield airbags ............... 82
Customizable features............. 429
Daytime running light 
system .................................... 144
Defogger Rear window .........................187
Side mirror............................. 187
Dimension.................................406
Dinghy towing .......................... 176 Display
Trip information ..................... 142
Do-it-yourself maintenance .... 300
Door pocket .............................. 262
Doors Door lock ........................... 24, 35
Rear door child-protector ........ 41
Driver’s seat belt reminder 
light ......................................... 373
Driving Break-in tips .......................... 115
Correct posture ....................... 80
Procedures............................ 114
Winter driving tips ................. 170
Electronic key If the electronic key does not 
operate properly ................. 395
Emergency, in case of If a warning light turns on ...... 370
If the electronic key does not 
operate properly ................. 395
If the engine will not start ...... 391
If the shift lever cannot be 
shifted from P ..................... 393
If the battery is discharged ... 397
If the warning buzzer 
sounds ................................ 370
If the warning light 
turns on............................... 370
If you have a flat tire ............. 382
If you lose your keys ............. 394
If you think something is 
wrong .................................. 366
If your vehicle becomes 
stuck ................................... 404
If your vehicle needs to be 
towed .................................. 362
If your vehicle overheats ....... 401
D
E

447
Alphabetical index
AVALON_U_(L/O_0802)
Overhead console ................... 258
Overheating, Engine ............... 401
Parking brake .......................... 134
Parking lights
Replacing light bulbs ............ 355
Switch ................................... 143
Wattage ................................ 413
Personal light Switch ................................... 254
Wattage ................................ 413
Power outlets........................... 268
Power windows ......................... 66
Radiator.................................... 314
Radio ........................................ 191
Rear seat Adjustment ............................. 48
Rear sunshade ........................ 273
Rear turn signal lights Replacing light bulbs ............ 355
Wattage ................................ 413
Rear window defogger............ 187
Replacing
Fuses.................................... 344
Key battery ........................... 340
Light bulbs ............................ 355
Tires ..................................... 382
Reporting safety defects for 
U.S. owners ........................... 436
Seat belts Adjusting the seat belt ............ 55
Automatic locking retractor................................ 56
Child restraint system 
installation .......................... 102
Cleaning and maintaining 
the seat belts...................... 292
Emergency locking 
retractor................................ 56
How to wear your seat belt ..... 54 How your child should wear

the seat belt ..........................57
Pregnant women, 
proper seat belt use ..............57
Reminder light .......................373
Seat belt extenders .................58
Seat belt pretensioners ...........56
Seat heaters..............................270
Seating capacity.......................169
Seats Adjustment ........................ 46, 48
Adjustment precaution ......47, 49
Child seats/child restraint system installation ..............102
Cleaning ................................291
Climate control ......................270
Climate control seat ..............270
Driver’s seat position 
memory .................................50
Head restraint..........................53
Properly sitting in the seat .......80
Seat heaters ..........................270
Service reminder 
indicators ..............................139
Shift lever
Automatic transmission .........129
If the shift lever cannot be 
shifted from P......................393
Shift lock system .....................393
Shopping bag hooks ...............276
Side airbags................................82
Side marker lights Switch....................................143
Side mirror
Adjustment ..............................64
Mirror position memory ...........50
Smart key system
Antenna location .....................26
Entry function ..........................24
Starting the engine ................122
Spare tire Inflation pressure...................412
Spare tire...............................382
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