2017 Lexus IS300h Owner's Manual

5617-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53D89E)
Install the outer cover of the mir-
ror by installing the lower side
first, then installing the upper side.
When installing the lower side of the
cover, insert the side turn signal light pin into the hole in the cover.
Secure the cover with screws and
reconnect the connectors back
together.
Secure the wire ha rness by reinstall-
ing it to the hooks on the back side of
the mirror surface as it was.
Align the tabs, and secure the
mirror by pushing in each diago-
nally-opposite pair of tabs in
order.
Make sure to insert the tabs in order
as shown in the illustration, and push
them in until a click is heard.
If you do not hear the click, do not
force the tabs in. Instead, remove the
mirror and check that the tabs are aligned.
After securing the mirror, remove the
protective tape applied to the lower part of the mirror cover.
10
11
12

5627-3. Do-it-yourself maintenance
IS300h_EE(OM53D89E)
■Replacing the following bulbs
If any of the lights listed below has burn t out, have it replaced by any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
●Headlights
●Front position lights and daytime running lights
●Front turn signal lights (LED type)
●Side turn signal lights
●Stop/tail lights
●Tail lights
●Back-up light
●Rear turn signal lights
●Rear fog light
●High mounted stoplight
●License plate lights
■LED Lights
The lights other than the front turn signal lights (bulb type) and outer foot lights each con- sist of a number of LEDs. If any of the LEDs burn out, take your vehicle to any authorized
Lexus retailer or Lexus author ized repairer, or any reliable repairer to have the light
replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact any authorized Lexus re tailer or Lexus authorized repairer, or any reliable repairer for more inform ation 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 the front turn signal lights (bulb type)
When the washer fluid filler opening is remo ved with a large amount of washer fluid con-
tained in the washer tank, washer fluid may spill onto the vehicle and cleaning may be required.
■When replacing light bulbs
 P. 555

5637-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53D89E)
WARNING
■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 light bu lb with bare hands. When it is unavoid-
able 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 entering th e headlight unit. This may damage the head- lights or cause condensation to build up on the lens.
■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.
NOTICE
■When replacing the outer foot lights
If the front window is stop ping you from conducting the replace operation properly,
open the window on the side you are working on to allow you enough space to work.
Continuing the operation without giving yourself enough space to work could lead you to scratch the vehicle.

5647-3. Do-it-yourself maintenance
IS300h_EE(OM53D89E)

565
8When trouble arises
IS300h_EE(OM53D89E)
8-1. Essential information
Emergency flashe rs ..................566
If your vehicle has to
be stopped in an
emergency................................. 567
8-2. Steps to take in an
emergency
If your vehicle needs to
be towed .....................................568
If you think something is
wrong ........................................... 574
If a warning light turns
on or a warning buzzer
sounds.......................................... 575
If a warning message is
displayed ..................................... 581
If you have a flat tire
(vehicles with
emergency tire puncture
repair kit) ..................................... 610
If you have a flat tire
(vehicles with run-flat
tires).............................................. 625
If the hybrid sy stem will not
start ............................................... 626
If the electronic key does
not operate properly ............. 628
If the 12-volt battery is
discharged .................................. 631
If your vehicle overheats ......... 636
If the vehicle becomes
stuck ...............................................641

566
IS300h_EE(OM53D89E)
8-1. Essential information
Press the switch.
All the turn signals 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 operat-
ing (while the “READY” indicator is not illu minated), the 12-volt battery may discharge.
Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

5678-1. Essential information
8
When trouble arises
IS300h_EE(OM53D89E)
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 cann ot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the hybrid system, press and
hold the power switch for 2 consec-
utive seconds or more, or press it
briefly 3 times or more in succes-
sion.
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, stop the vehicl e 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
WARNING
■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

568
IS300h_EE(OM53D89E)
8-2. Steps to take in an emergency
The following may indicate a problem wi th your transmission. Contact any
authorized Lexus retailer or Lexus authoriz ed repairer, or any reliable repairer or
commercial towing service before towing.
●A warning message for the hybrid system is shown on the multi-information
display and the vehicle does not move.
●The vehicle makes an abnormal sound.
If your vehicle needs to be towed
If towing is necessary, we recommen d having your vehicle towed by any
authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer 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/provincial and
local laws.
Situations when it is necessary to contact dealers before towing