2008 TOYOTA HIGHLANDER HYBRID check engine

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4-2. Maintenance ...................... 410Maintenance requirements ..................... 410
General maintenance.......... 412
Emission inspection and maintenance (I/M)
programs........................... 415
4-3. Do-it-yourself maintenance .................... 416
Do-it-yourself service precautions ....................... 416
Hood ................................... 420
Positioning the jack ............. 422
Engine compartment ........... 424
Tires .................................... 439
Tire inflation pressure........... 447
Wheels ................................ 451
Air conditioning filter............ 453
Key battery .......................... 456
Checking and replacing fuses ................................. 459
Light bulbs........................... 470
5-1. Essential information ....... 482 If your vehicle needs to be towed ........................... 482
If you think something is wrong ................................ 488
Event data recorder ............ 489 5-2. Steps to take in an
emergency ...................... 491
If a warning light turns on or a warning buzzer
sounds... .......................... 491
If a warning message is displayed .......................... 500
If you have a flat tire ........... 501
If the hybrid system will not start ............................ 513
If the shift lever cannot be shifted from P .............. 515
If you lose your keys........... 516
If the electronic key does not operate properly ......... 517
If the vehicle 12-volt battery is discharged .................... 519
If your vehicle overheats .... 523
If the vehicle becomes stuck ................................. 527
6-1. Specifications ................... 530 Maintenance data (fuel, oil level, etc.) .................... 530
Fuel information.................. 544
Tire information .................. 547
6-2. Customization................... 559 Customizable features........ 559
6-3. Initialization....................... 562 Items to initialize ................. 562
5When trouble arises
6Vehicle specifications

166 2-1. Driving procedures
■For efficient use
●Put the shift lever into D when driving
In the N position, the gasoline engine operates but electricity cannot be
generated. The hybrid battery (traction battery) will be discharged requir-
ing unnecessary engine power to recharge.
● Drive your vehicle smoothly
Avoid abrupt acceleration and deceleration. Gradual acceleration and
deceleration will make more effective use of the electric motor (traction
motor) without having to use gasoline engine power.
● Avoid repeated acceleration
Repeated acceleration consumes hybrid battery (traction battery) power,
resulting in poor acceleration. Battery power can be restored by driving
with the accelerator pedal slightly released.
● Put the shift lever into P when parking
In the N position, the hybrid battery (traction battery) does not recharge.
Leaving the shift lever in N for an extended period of the time may dis-
charge the hybrid battery. The vehicle cannot run if the hybrid battery is
discharged.
■ Normal characteristics after turning off the hybrid system
Approximately five hours after the hybrid system is turned off, you may hear
sound coming from under the vehicle for several minutes. This is because
the fuel evaporation leakage check is performed. It does not indicate a mal-
function.
■ Environmentally friendly driving
Environmentally friendly driving can be
achieved by driving within the variable
economy zone. The variable economy
zone indicator will come on when the
vehicle reaches a speed of 2.5 mph (4
km/h) with the shift lever in D. The vari-
able economy indicator will go off when
the vehicle speed falls below 1.2 mph
(2 km/h) or the shift lever is shifted to a
position other than D.

168 2-1. Driving procedures
CAUTION
• When backing up, you may twist your body around, leading to a diffi-culty in operating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle only slightly, allowing you to depress the brake and accelerator
pedals properly.
• Depress the brake pedal using your right foot. Depressing the brake pedal using your left foot may delay response in an emergency, result-
ing in an accident.
● The driver should pay attention to pedestrians when the vehicle is pow-
ered only by the electric motor (traction motor). Because there is no
engine noise, the pedestrians may misjudge the vehicle’s movement.
● Do not drive the vehicle over or st op the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. This may
cause a fire if there is any flammable material nearby.
● Do not let the vehicle roll backwards while the shift lever is in a driving
position, or roll forward while the shift lever is in R.
Doing so may cause the hybrid system not to operate or lead to poor
brake and steering performance, resulting in an accident or damage to the
vehicle.
● If the smell of exhaust is noticed inside the vehicle, open the windows and
check that the trunk is closed. Large amounts of exhaust in the vehicle can
cause driver drowsiness and an accident, resulting in death or a serious
health hazard. Have the vehicle inspected by your Toyota dealer immedi-
ately.
● Do not under any circumstances shift the shift lever to P, R or N while the
vehicle is moving.
Doing so can cause significant damage to the transmission system and
may result in a loss of vehicle control.
● Do not shift the shift lever to N while the vehicle is moving.
Doing so may cause the engine brake to not operate properly and lead to
an accident.
● Do not turn the hybrid system off while driving.
The power steering system will not operate properly if the hybrid system is
off.

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2-1. Driving procedures
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When driving
CAUTION
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Use engine braking to maintain a safe speed when driving down a steep
hill.
Using the brakes continuously may cause the brakes to overheat and lose
effectiveness. ( P. 180)
● When stopped on an inclined surface, use the brake pedal and parking
brake to prevent the vehicle from rolling backward or forward and causing
an accident.
● Do not adjust the position of the steering wheel, the seat, or the inside or
outside rear view mirrors while driving.
Doing so may result in a loss of vehicle control that can cause accidents
that may result in death or serious injury.
● Always check that all passengers' arms, heads or other parts of their bod-
ies are not outside the vehicle, as this may result in death or serious injury.
● Do not drive in excess of the speed limit. Even if the legal speed limit per-
mits it, do not drive over 85 mph (140 km/h) unless your vehicle has high-
speed capability tires. Driving over 85 mph (140 km/h) may result in tire
failure, loss of control and possible injury. Be sure to consult a tire dealer
to determine whether the tires on your vehicle are high-speed capability
tires or not before driving at such speeds.
■ When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and
reduce your ability to control the vehicle, resulting in an accident.
● Sudden changes in braking force, such as engine braking and regenera-
tive braking caused by shifting the shift lever to the B position, may cause
the vehicle to skid, resulting in an accident.
● After driving through a puddle, lightly depress the brake pedal to make
sure that the brakes are functioning properly. Wet brake pads may prevent
the brakes from functioning properly. If the brakes on only one side are wet
and not functioning properly, steering control may be affected, resulting in
an accident.
■ 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.

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2-1. Driving procedures
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When driving
NOTICE
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When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may
cause the following serious damage to the vehicle.
●Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be
sure to have your Toyota dealer check the following.
● Brake function
● Changes in quantity and quality of oil and fluid used for the engine, hybrid
transaxle, rear motor transaxle, etc.
● Lubricant condition for the bearings and suspension joints (where possi-
ble) and the function of all joints, bearings, etc.

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2-1. Driving procedures
Power (ignition) switch
■Starting the hybrid system
The hybrid system can be started in any mode by operating the
“POWER” switch at the same time as depressing the brake pedal.
Check that the parking brake is set.
Check that the shift lever is set in P.
Sit in the driver’s seat and firmly depress the brake pedal.
The “POWER” switch indicator turns green. If the indicator does
not turn green, the hybrid system cannot be started.
Press the “POWER” switch.
After a while, the “READY”
indicator comes on with a beep
sound.
The vehicle can move when
the “READY” indicator is on
even if the engine is stopped.
STEP1
STEP2
STEP3
STEP4

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2-2. Instrument cluster
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When drivingInstrument panel light control
The brightness of the instrument panel lights can be adjusted.
Brighter
Darker
When the headlight switch is
turned to on, the brightness
will be reduced slightly unless
the control dial is turned fully
up.
Odometer/Trip meterOdometer
Displays the total distance the vehicle has been driven.
Trip meter
Displays the distance the vehi cle has been driven since the
meter was last reset. Trip meters A and B can be used to
record and display different distances independently.
■ Power meter “CHARGE” zone
The “CHARGE” zone indicates regeneration* status. Regenerated energy
will be used to charge the battery.
*: When used in this manual, “regeneration” refers to the conversion of
energy created by the movement of the vehicle into electrical energy.
NOTICE
■To prevent damage to the engine and its components
The gasoline engine may be overheating if the temperature gauge is in the
red zone (H). In this case, immediately stop the vehicle in a safe place.
Check the engine after it has cooled completely. (
P. 523)

224 2-5. Driving information
NOTICE
■To prevent the water damage
Take all necessary safety measures to ensure that water damage to the
hybrid battery, hybrid system or other components does not occur.
●Water entering the engine compartment may cause severe damage to the
hybrid system. Water entering the interior may cause the hybrid battery
stowed under the rear seats to short circuit.
● Water entering the hybrid transaxle w ill cause deterioration in transmission
quality. The malfunction indicator may come on, and the vehicle may not
be drivable.
● Water can wash the grease from wheel bearings, causing rusting and pre-
mature failure, and may also enter the transaxle case, reducing the gear
oil’s lubricating qualities.
■ When you drive through water
If driving through water, such as when crossing shallow streams, first check
the depth of the water and the bottom of the river bed for firmness. Drive
slowly and avoid deep water.
■ Inspection after off-road driving
●Sand and mud that has accumulate d in brake drums and around brake
discs may affect braking efficiency and may damage brake system compo-
nents.
● Always perform a maintenance inspection after each day of off-road driv-
ing that has taken you through rough terrain, sand, mud, or water. For
scheduled maintenance information, refer to the “Scheduled Maintenance
Guide” or “Owner’s Manual Supplement”.