Page 494 of 564
494 5-2. Steps to take in an emergency
AVALON_U (OM41428U)
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.
To change the “ENGINE START STOP” switch modes: Within
5 seconds of the buzzer sounding, release the brake pedal
and press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (P. 149)
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.
Page 495 of 564
5
When trouble arises
495 5-2. Steps to take in an emergency
AVALON_U (OM41428U)
■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. 428)
Page 497 of 564
5
When trouble arises
497 5-2. Steps to take in an emergency
AVALON_U (OM41428U)
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.
Vehicles with smart key system: Maintain the engine speed
on the second vehicle and turn the “ENGINE START
STOP” switch to IGNITION ON mode, then start the vehi-
cle’s engine.
Vehicles without smart key system: Maintain the engine
speed on the second vehicle and turn the engine switch to
the “ON” position, 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.
Page 498 of 564

498 5-2. Steps to take in an emergency
AVALON_U (OM41428U)
■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. 80)
●Moon roof (
P. 85)
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it
is not unintentionally in contact with any part other than the intended termi-
nal.
●Do not allow the jumper cables to come into contact with the “+” and “-” ter-
minals.
●Do not allow open flame or use matches, cigarette lighters or smoke near
the battery.
Page 500 of 564
500
5-2. Steps to take in an emergency
AVALON_U (OM41428U)
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating:
Wait until the engine coolant temperature gauge begins
to fall and then stop the engine.
If the fan is not operating:
Stop the engine immediately and call your local Toyota
dealer.
After the engine has cooled
down sufficiently, check the
coolant level and inspect the
radiator core (radiator) for any
leaks.
If the engine compartment
cover needs to be removed.
(P. 395)
Page 503 of 564

5
When trouble arises
503
5-2. Steps to take in an emergency
AVALON_U (OM41428U)
If the vehicle becomes stuck
CAUTION
■When attempting to free a stuck vehicle
If you choose to rock the vehicle back and forth to free it, make sure the sur-
rounding area is clear, to avoid striking other vehicles, objects or persons.
The vehicle may also lunge forward or lunge back suddenly as it becomes
free. Use extreme caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may
cause an accident and result in death or serious injury.
NOTICE
■To avoid damaging the transmission and other components
●Avoid spinning the wheels and do not rev the engine.
●If the vehicle remains stuck after trying these procedures, the vehicle may
require towing to be freed.
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt, or snow.
Stop the engine. Set the parking brake and shift the shift
lever in “P”.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some other material to help provide
traction under the tires.
Restart the engine.
Shift the shift lever to the “D” or “R” position and carefully
apply the accelerator to free the vehicle.
Page 505 of 564
5
When trouble arises
505 5-2. Steps to take in an emergency
AVALON_U (OM41428U)
CAUTION
■If the engine has to be turned off while driving
●Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
●Vehicles without a smart key system: Never attempt to remove the key, as
doing so will lock the steering wheel.
Vehicles with a smart key sys-
tem: To stop the engine, press
and hold the “ENGINE START
STOP” switch for 3 consecu-
tive seconds or more, or press
it briefly for 3 times or more in
succession.
Stop the vehicle in a safe place by the road.
Press and hold for 3 seconds or more
or press briefly for 3 times or more
Page 535 of 564
535 6-2. Customization
6
Vehicle specifications
AVALON_U (OM41428U)
ItemFunctionDefault settingCustomized
setting
Windshield
wipers and
washer
(P. 177)Switching operation
when the vehicle is sta-
tionaryON OFF
Time elapsed before
the drip prevention
function operatesVariable
depending on
the vehicle
speed3 seconds
Illumination
(P. 334)Time elapsed before
lights turn off15 seconds7.5 seconds
30 seconds
Operation when the
doors are unlockedON OFF
Operation after the
“ENGINE START
STOP” switch or the
engine switch turned
OFFON OFF
Front/rear personal
lights turned on when a
door is openedCorresponding
light onlyAll lights
OFF
Outer foot lights ON OFF
Rear
sunshade
(P. 354)Time elapsed before
the reverse operation
feature activates0.7 seconds0 seconds
0.9 seconds
1.2 seconds