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TABLE OF CONTENTS6
GS450h_OM_OM30D52U_(U)
6-3. Do-it-yourself maintenanceDo-it-yourself service precautions.................................657
Hood ............................................... 660
Positioning a floor jack............... 661
Engine compartment ............... 663
12-volt battery ..............................673
Tires................................................... 677
Tire inflation pressure ............... 687
Wheels ........................................... 690
Air conditioning filter ............... 692
Electronic key battery.............. 694
Checking and replacing fuses.............................................. 696
Headlight aim ................................. 711
Light bulbs ......................................713
7-1. Essential information Emergency flashers .................. 728
If your vehicle has to be stopped in an emergency.....729 7-2. Steps to take in an emergency
If your vehicle needs to be towed................................ 730
If you think something is wrong .................736
If a warning light turns on or a warning buzzer sounds...... 737
If a warning message is displayed ................................. 747
If you have a flat tire ...................775
If the hybrid system will not start ............................... 788
If the shift lever cannot be shifted from P ..................... 790
If the parking brake cannot be released .................................. 791
If the electronic key does not operate properly ......................793
If the 12-volt battery is discharged..............................796
If your vehicle overheats ........ 800
If the vehicle becomes stuck .............................................805
7When trouble arises
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GS450h_OM_OM30D52U_(U)
5315-4. Using the hands-free phone system (for cellular phone)
5
Interior features
Off hook switch• Sending
• Receiving
• “Phone” screen display
On hook switch • End call
• Refuse call
You can use the microphone when
talking on the phone.
The person you are speaking to can
be heard from the front speakers.
To use the hands-free system, you must register your Bluetooth
® phone in
the system. ( →P. 5 3 9 )
Te l e p h o n e s w i t c h
1
2
Microphone
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GS450h_OM_OM30D52U_(U)
5535-4. Using the hands-free phone system (for cellular phone)
5
Interior features
■To cancel voice recognition
●Press and hold .
●Press on the steering wheel.
●Select “Cancel”.
■When using voice recognition
Use correct commands and speak clearly, otherwise the system may not correctly
recognize the command. Wind or other noises may also cause the system not to rec-
ognize the desired command.
When a call is received, the following screen is displayed together with a
sound.
Select or press on the
steering wheel.
■To refuse a call
Select or press on the steering wheel.
■To adjust the incoming call volume
Select “-” or “+”, turn the “PWR/VOL” knob, or use the volume switch
on the steering wheel.
■International calls
Received international calls may not be displayed correctly depending on the cellu-
lar phone in use.
Receiving a call
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556
GS450h_OM_OM30D52U_(U)
5-4. Using the hands-free phone system (for cellular phone)
■Call waiting
When a connected call is interrupted by the third party, the incoming
call message will be displayed.
●To talk with the other party: Select or press on the steer-
ing wheel.
●To refuse the call: Select or press on the steering wheel.
Everytime you select or press on the steering wheel after a
call is interrupted, you will be switched to the other party.
If your cellular phone is not accepted in HFP Ver. 1.5, this function can-
not be used.
■Incoming call
●The ring tone that has been set in the “Phone Sound Settings” screen sounds when
there is an incoming call. ( →P. 5 6 1 )
●Depending on the type of Bluetooth® phone, both the system and Bluetooth®
phone may sound simultaneously when there is an incoming call.
■Transferring calls
●It is not possible to transfer from hands-free to a cellular phone while driving.
●If you transfer from a cellular phone to hands-free, the hands-free screen will be
displayed, and you can operate the system using the screen.
●Transfer method and operation may vary according to the cellular phone used.
●For operation of the cellular phone in use, see the phone’s manual.
■Repeated tone symbols
When the “p” pause tone is used, after waiting 2 seconds the tone data up until the
next pause tone will be automatically sent. When the “w” pause tone is used, the tone
data up until the next pause tone will be automatically sent after user operation.
■While driving
Key input is unavailable.
■Voice recognition during a call
“Send Tones” can be operated by voice recognition. ( →P. 3 7 5 )
■Interrupt call operation
Interrupt call operation may differ from depending on your phone company and the
cellular phone.
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GS450h_OM_OM30D52U_(U)
6135-7. Other interior features
5
Interior features
■The power outlets can be used when
12 V: The power switch is in ACCESSORY or ON mode.
120 V AC: The power switch is in ON mode.
NOTICE
■To avoid damaging the power outlets
Close the power outlet lids when the power outlets are not in use.
Foreign objects or liquids that enter the power outlets may cause a short circuit.
■To prevent the fuse from being blown
12 V:
Do not use an accessory that uses more than 12 V 10 A.
120 V AC:
Do not use a 120 V AC appliance that requires more than 100W. If a 120 V AC
appliance that consumes more than 100 W is used, the protection circuit will cut
the power supply.
■To prevent 12-volt battery discharge
Do not use the power outlets longer than necessary when the hybrid system is off.
■Appliances that may not operate properly (120 V AC)
The following 120 V AC appliances may not operate properly even if their power
consumption is under 100 W:
●Appliances with high initial peak wattage
●Measuring devices that process precise data
●Other appliances that require an extremely stable power supply
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641
GS450h_OM_OM30D52U_(U)
6Maintenance and care
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................. 642
Cleaning and protecting the vehicle interior ..................646
6-2. Maintenance Maintenance requirements ...649
General maintenance .............. 652
Emission inspection and maintenance (I/M)
programs ....................................656 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions................................ 657
Hood ...............................................660
Positioning a floor jack ...............661
Engine compartment ............... 663
12-volt battery...............................673
Tires...................................................677
Tire inflation pressure ............... 687
Wheels ...........................................690
Air conditioning filter ............... 692
Electronic key battery .............. 694
Checking and replacing fuses.............................................. 696
Headlight aim ................................. 711
Light bulbs.......................................713
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658
GS450h_OM_OM30D52U_(U)
6-3. Do-it-yourself maintenance
Fuses(→ P. 6 9 6 )• Fuse with same amperage rating as
original
Headlight aim (→ P. 7 1 1 )• Phillips-head screwdriver
Light bulbs (→ P. 7 1 3 )
• Bulb with same number and wattage
rating as original
• Phillips-head screwdriver
• Flathead screwdriver
•Wrench
Radiator and condenser ( →P. 6 7 0 )
Tire inflation pressure ( →P. 6 8 7 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d (→ P. 6 7 2 )
• Water or washer fluid containing anti-
freeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsPa r t s a n d t o o l s
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663
GS450h_OM_OM30D52U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
■12-volt battery
→ P. 6 7 3
Engine oil level dipstick
(→P. 665)
Engine coolant reservoir (→P. 668)
Engine oil filler cap ( →P. 666)
Power control unit coolant
reservoir ( →P. 668) Brake fluid reservoir
(→P. 671)
Fuse box ( →P. 6 9 6 )
Washer fluid tank ( →P. 6 7 2 )
Electric cooling fans
Condenser ( →P. 6 7 0 )
Radiator ( →P. 6 7 0 )1
2
3
4
5
6
7
8
9
10
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