Page 537 of 681
5377-3. Do-it-yourself maintenance
7
Maintenance and care
NX300h_U_OM78007U WA R N I N G ■
To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.●
Never use a fuse of a higher amperage rati ng than that indicated, or use any other
object in place of a fuse. ●
Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix. ●
Do not modify the fuses or fuse boxes. ■
Fuse box near the power control unit
Never check or replace the fu ses as there are high voltage parts and wiring near the
fuse box.
Doing so may cause electric shock, re sulting in death or serious injury.
NOTICE ■
Before replacing fuses
Have the cause of electrical overload determ ined and repaired by your Lexus dealer as
soon as possible.
Page 538 of 681
538 7-3. Do-it-yourself maintenance
NX300h_U_OM78007ULight bulbs Check the wattage of the light bulb to be replaced. ( P. 6 1 7 )
P. 5 0 3
P. 1 3 2You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Removing the engine compartment cover
Canceling the power back door system
Page 539 of 681
5397-3. Do-it-yourself maintenance
7
Maintenance and care
NX300h_U_OM78007U ■
Front
Bulb locations
Front turn signal light (bulb type)
Headlight high beam (halogen
bulbs) Front side marker light (bulb type)1
2 3
Page 540 of 681
540 7-3. Do-it-yourself maintenance
NX300h_U_OM78007U ■
Rear
Back-up light
Rear turn signal light 1
2
Page 541 of 681
5417-3. Do-it-yourself maintenance
7
Maintenance and care
NX300h_U_OM78007U ■
Headlight high beams (halogen bulbs)
For the right side only:
Remove the bolt, and move the
washer fluid supply opening.
When it is difficult to work,
remove the washer fluid supply
opening.
Turn the cover counterclockwise
and remove it.
Turn the bulb base counterclock-
wise.Replacing light bulbs 1
2
3
Page 542 of 681
542 7-3. Do-it-yourself maintenance
NX300h_U_OM78007U Unplug the connector while pull-
ing the lock release.
Confirm whether the O-ring of
the cover has not come off. If the O-ring come off, attached to
the proper position.
Replace the light bulb, and set the
connector 4
5
6
Page 543 of 681
5437-3. Do-it-yourself maintenance
7
Maintenance and care
NX300h_U_OM78007U Install the bulb base. Align the 3 tabs on the light bulb with
the mounting, and insert. Turn it
clockwise to set.
Confirm the installation of the
bulb base. Shake the bulb base gently to check
that it is not loose, turn the headlight
high beams on once and visually
confirm that no light is leaking
through the mounting.
Install the cover and turn it clock-
wise. Align the of the cover to the
positioning mark of the lamp body
and insert and turn it.
There is the positioning mark on
the outer side of the light unit. 7
8
9
Page 544 of 681
544 7-3. Do-it-yourself maintenance
NX300h_U_OM78007U When removing the washer fluid
supply opening:
Installing the washer fluid supply
opening. Align the washer tank with the
washer fluid opening position.
Fix the washer fluid supply open-
ing.
Align the tab position and
install washer fluid opening.
Fasten the bolt. 10
11
1
2