2015 Lexus GS450h Opening, closing and locking the doors and trunk / LEXUS 2015 GS450H FROM MAR. 2015 PROD. OWNERS MANUAL (OM30F70U)

GS450h_OM_OM30F70U_(U)
4896-3. Do-it-yourself maintenance
6
Maintenance and care
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your
Lexus dealer.
●Headlights
●Parking lights/daytime running lights
●Front side marker lights
●LED fog lights (if equipped)
●Side turn signal lights
●Stop/tail lights
●Tail lights
●Rear side marker lights
●High mounted stoplight
●License plate lights
●Outer foot lights
■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 Lights
The lights other than the discharge headlig hts (if equipped), halogen fog lights (if
equipped), front turn signal lights, rear turn signal lights, back-up lights and outer
foot lights each consist of a number of LE Ds. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the insi de of the headlight lens does not indi-
cate a malfunction. Contact your Lexus 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 headlight.
■When replacing light bulbs
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6-3. Do-it-yourself maintenance
CAUTION
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the li ght bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth to avoid
getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may
result in heat damage, fire, or water en tering the headlight unit. This may damage
the headlights or cause condensati on to build up on the lens.
●Vehicles with discharge headlights: While
the headlights are turned on, and for a short
time after they have been turned off, metal
components at the rear of the headlight
assembly will be extremely hot. To prevent
burns, do not touch these metal compo-
nents until you are certain they have cooled
down.
Metal components

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4916-3. Do-it-yourself maintenance
6
Maintenance and care
CAUTION
■Discharge headlights (if equipped)
●Contact your Lexus dealer before replacing the discharge headlights (including
light bulbs).
●Do not touch the discharge headlight’s high voltage socket when the headlights
are turned on.
An extremely high voltage of 30000 V wi ll be discharged and could result in
death or serious injury by electric shock.
●Do not attempt to take apart or repair the headlight bulbs, connectors, power
supply circuits, or related components.
Doing so could result in electric shock and death or serious injury.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.

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6-3. Do-it-yourself maintenance

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7When trouble arises
7-1. Essential information Emergency flashers................... 494
If your vehicle has to be stopped in an emergency .... 495 7-2. Steps to take in an emergency
If your vehicle needs to be towed ................................ 496
If you think something is wrong ................502
If a warning light turns on or a warning buzzer sounds .....503
If a warning message is displayed ................................. 513
If you have a flat tire.................... 541
If the hybrid system will not start................................ 554
If the shift lever cannot be shifted from P ..................... 556
If the parking brake cannot be released ................................ 557
If the electronic key does not operate properly ..................... 559
If the 12-volt battery is discharged ............................. 562
If your vehicle overheats ......... 566
If the vehicle becomes stuck ...............................................571

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7-1. Essential information
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once
again.
■Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is not
operating (while the “READY” indicator is not illuminated), the 12-volt battery may
discharge.
The emergency flashers are used to warn other drivers when the vehi-
cle has to be stopped in the road due to a breakdown, etc.

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7
When trouble arises
7-1. Essential information
If your vehicle has to be stopped in an emergency
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 hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal wi th both feet to reduce vehicle
speed as much as possible.
To stop the hybrid system, press
and hold the power 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.
Only in an emergency, such as if it becomes impossible to stop the vehi-
cle in the normal way, stop the vehicle using the following 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 hybrid system has to be turned off while driving
Power assist for the steering wheel will be lost, making the steering wheel heavier
to turn. Decelerate as much as possible before turning off the hybrid system.
5

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7-2. Steps to take in an emergency
If your vehicle needs to be towed
The following may indicate a problem with your transmission. Contact
your Lexus dealer or commercial towing service before towing.
●The hybrid warning message shows on the multi-information display
and the vehicle does not move.
●The vehicle makes an abnormal sound.
If towing is necessary, we recommend having your vehicle towed by
your Lexus dealer or commercial towing service, using a wheel-lift type
truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/provin-
cial and local laws.
Situations when it is necessary to contact dealers before towing