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3466-3. Do-it-yourself maintenance
AVALON (U)_(OM41456U)
■When replacing wheels
The wheels of your vehicle are equipped with tire pressure warning
valves and transmitters that allow the tire pressure warning system to
provide advance warning in the event of a loss in tire inflation pressure.
Whenever wheels are replaced, tire pressure warning valves and trans-
mitters must be installed. ( P. 335)
CAUTION
■When replacing wheels
●Do not use wheels that are a different size from those recommended in
the Owner’s Manual, as this may result in a loss of handling control.
●Never use an inner tube in a leak ing wheel which is designed for a
tubeless tire. Doing so may result in an accident, causing death or seri-
ous injury.
■When installing the wheel nuts
●Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tightened,
leading to bolt or disc wheel damage. In addition, the oil or grease can
cause the wheel nuts to loosen and the wheel may fall off, causing an
accident and resulting in death or serious injury. Remove any oil or
grease from the wheel bolts or wheel nuts.
●Be sure to install the wheel nuts with
the tapered ends facing inward.
Installing the nuts with the tapered
ends facing outward can cause the
wheel to break and eventually cause
the wheel to come off while driving,
which could lead to an accident
resulting in death or serious injury.
Tapered portion
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3596-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON (U)_(OM41456U)33 TAIL 10 A
Parking lights, side marker lights, stop/tail
lights, rear turn signal lights, back up
lights, license plate lights, fog lights
34 PANEL 10 A Switch illumination, air conditioning sys-
tem, glove box light, interior lights, per-
sonal lights, audio system, navigation
system, rear sunshade, seat heater,
Blind Spot Monitor, driving mode select
switch, steering wheel switch, ambient
light, trunk opener switch, vehicle stability
control off switch, emergency flashers,
outside rear view mirrors
35 ECU-IG1 NO.1 10 A Vehicle stability control system, electric
cooling fans, steering sensor, multiport
fuel injection system/sequential multiport
fuel injection system, charging system,
rear window defogger, outside rear view
mirror defoggers, rain-sensing windshield
wipers, Blind Spot Monitor, rear sun-
shade, dynamic radar cruise control, mul-
tiplex communication system, rear seat
heater, backup lights, fog lights, headlight
(high beam), daytime running light, pre-
collision system
36 ECU-IG1 NO.2 10 A Shift lock control system, seat heaters,
smart key system, tire pressure warning
system, wireless remote control, multi-
plex communication system, audio sys-
tem, navigation system, moon roof, auto
anti-glare inside rear view mirror, outside
rear view mirrors, pre-collision system,
air conditioning controls, rain-sensing
windshield wipers, starting system,
dynamic radar cruise control
FuseAmpereCircuit
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3766-3. Do-it-yourself maintenance
AVALON (U)_(OM41456U)
■Discharge headlights (if equipped)
If voltage to the discharge bulbs is insufficient, the bulbs may not come on, or
may go out temporarily. The discharge bulbs will come on when normal
power is restored.
■ LED light bulbs
The daytime running lights (vehicles with discharge headlights), stop/tail
lights, high mounted stoplight and outer foot lights each consist of a number
of LEDs. If any of the LEDs burn out, take your vehicle to your Toyota dealer
to have the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the lens does not indicate a
malfunction. Contact your Toyota dealer for more information in the following
situations:
●Large drops of water have built up on the inside of the lens.
● Water has built up inside the lens.
■ Removing and installing the clips
The fender liner, luggage trim cover and trunk panel cover clip
■ When replacing light bulbs
P. 360Removing
Installing
1
2
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3817-1. Essential information
7
When trouble arises
AVALON (U)_(OM41456U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.
To stop the engine, press and
hold the engine switch for 2
consecutive seconds or more,
or press it briefly 3 times or
more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an
emergency
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, st op the vehicle using the follow-
ing procedure:
1
2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more
4
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.
5
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382
AVALON (U)_(OM41456U)
7-2. Steps to take in an emergency
The following may indicate a problem with your transmission. Contact
your Toyota dealer or commercial towing service before towing.
●The engine is running but the vehicle will not move.
● The vehicle makes an abnormal sound.
If your vehicle needs to be towed
If towing is necessary, we re commend having your vehicle
towed by your Toyota dealer or commercial towing service,
using a lift-type truc k or flat bed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
If towing your vehicle with a wheel-lift type truck from the front,
the vehicle’s rear wheels and axles must be in good conditions.
( P. 383, 384)
If they are damaged, use a towing dolly or flatbed truck.
Situations needs to contact dealers before towing
Page 386 of 500
3867-2. Steps to take in an emergency
AVALON (U)_(OM41456U)
●Fluid leaks under the vehicle.
(Water dripping from the air co nditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points higher
than normal.
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spon gy feeling, pedal almost touches
the floor
If you think something is wrong
If you notice any of the follow ing symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
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3887-2. Steps to take in an emergency
AVALON (U)_(OM41456U)
The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact your
Toyota dealer.
*: Parking brake engaged warning buzzer: The buzzer sounds to indicate that the parking brake is still engaged (with the vehicle having reached a
speed of 3 mph [5 km/h]).
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following acti ons if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*
• Low brake fluid
• Malfunction in the brake booster system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released the system is operating normally.
Page 394 of 500

3947-2. Steps to take in an emergency
AVALON (U)_(OM41456U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front), side impact sensors (rear), driver’s seat
belt buckle switch, front passenger occupant classification system, “AIR BAG
ON” indicator light, “AIR BAG OFF” indicator light, front passenger’s seat belt
buckle switch, seat belt pretensioners, airbags, interconnecting wiring and
power sources. ( P. 3 5 )
■ Front passenger detection sensor, seat belt reminder and warning
buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■ Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the
warning buzzer may sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such
as natural air leaks and tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).