Page 538 of 692
3. Turn the screw counterclockwise andremove it.
4. Pull the center of each plastic retainer
and remove the retainers, and then
partially peel back the mudguard.
Removal
Installation
5. Disconnect the wiring harness by releasing the clamp.
6. Turn the socket and bulb assemblycounterclockwise and remove it.
7. Disconnect the bulb from the socket.
Front turn signal lights
Maintenance and Care
Owner Maintenance
6-44
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 539 of 692
Parking lights/Front side-marker
lights
8. Install the new bulb in the reverseorder of the removal procedure.
NOTE
There will be no problem with
functionality with the wiring harness
disconnected in Step 5 left
disconnected.
Therefore, there is no need to connect
the wiring harness.
Rear turn signal lights
1. Make sure the ignition is switched off, and the headlight switch is off.
2. Remove the cover.
3. Turn the screws counterclockwise andremove them.
4. Pull the unit rearward to remove it.
5. Disconnect the wiring harness byreleasing the clamp.
Maintenance and Care
Owner Maintenance
6-45
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 540 of 692
6. Turn the socket and bulb assemblycounterclockwise and remove it.
7. Temporarily install the light unit withthe socket pulled out of the top of the
light unit.
Socket pull-out range
CAUTION
The wiring harness may be damaged
when temporarily installing the light
unit. When performing the
procedure, observe the following
points.
Pull out the socket from within the
socket pull-out range shown in the
figure.
Do not push the light unit into the
vehicle with force.
When temporarily installing the light
unit, cover the rear bumper light unit
installation surface with a soft cloth.
The rear bumper may be scratched or
damaged if the light unit contacts it.
8. Disconnect the bulb from the socket.
9. Install the new bulb in the reverseorder of the removal procedure.
Reverse lights
1. Make sure the ignition is switched off, and the headligh t switch is off.
2. Remove the cover.
Maintenance and Care
Owner Maintenance
6-46
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 541 of 692

3. Disconnect the electrical connectorfrom the bulb by pressing the tab on
the connector with your finger and
pulling the connector.
4. Turn the socket and bulb assemblycounterclockwise and remove it.
5. Disconnect the bulb from the socket.
6. Install the new bulb in the reverseorder of the removal procedure.
▼Replacing Interior Light Bulbs
Overhead lights (Front)/Map lights
(Front) (LED type), Overhead lights
(Center)/Map lights (Center) (LED
type), Overhead lights (Rear) (LED
type), Vanity mirror lights (LED type),
Ambient lights
The LED bulb cannot be replaced as a
single unit because it is an integrated unit.
The LED bulb has to be replaced with the
unit. We recommend an Authorized
Mazda Dealer when the replacement is
necessary.
Overhead lights (Front)/Map lights
(Front) (bulb type), Overhead lights
(Center)/Map lights (Center) (bulb
type), Overhead light (Rear) (bulb
type), Vanity mirror
lights (bulb type)
1. Wrap a small flathead screwdriver with
a soft cloth to prev ent damage to the
lens, and then remove the lens by
carefully prying on t he edge of the lens
with the flathead screwdriver.
2. Disconnect the bulb by pulling it out.
Maintenance and Care
Owner Maintenance
6-47
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 542 of 692
Overhead lights (Front)/Map lights
(Front)
Overhead lights (C enter)/Map lights
(Center)
Forward
Overhead light (Rear)
Edge
Forward
Maintenance and Care
Owner Maintenance
6-48
CX-9_8HB2-EA-18G_Edition1
2018-5-11 13:09:27
Page 543 of 692
Vanity mirror lights
3. Install the new bulb in the reverseorder of the removal procedure.
Luggage compartment light
1. Wrap a small flathead screwdriver with a soft cloth to prevent damage to the
lens and remove the lens unit by
carefully prying on the edge of the lens
unit with the flathead screwdriver.
2. Disconnect the electrical connector
from the bulb by pressing the tab on
the connector with your finger and
pulling the connector.
CAUTION
When replacing the bulb always
disconnect the connector first.
Otherwise, electric and electronic
devices could be shorted.
3. Insert the flathead screwdriver into the gap between the lens and the lens unit,
and then slide the screwdriver to
detach the lens.
Maintenance and Care
Owner Maintenance
6-49
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 544 of 692
4. Disconnect the bulb by pulling it out.
5. Install the new bulb in the reverseorder of the removal procedure.
Fuses
Your vehicle's electrical system is
protected by fuses.
If any lights, accessories, or controls do
not work, inspect th e appropriate circuit
protector. If a fuse h as blown, the inside
element will be melted.
If the same fuse blows again, avoid using
that system and consult an Authorized
Mazda Dealer as soon as possible.
▼ Fuse Replacement
Replacing the fuses on
the vehicle's left
side
If the electrical system does not work, first
inspect the fuses on the vehicle's left side.
1. Make sure the ignition is switched off,
and other switches are off.
2. Open the fuse panel cover.
Maintenance and Care
Owner Maintenance
6-50
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27
Page 545 of 692

3. Pull the fuse straight out with the fusepuller provided on the fuse block
located in the eng ine compartment.
4. Inspect the fuse and replace it if it is
blown.
Normal Blown
5. Insert a new fu
se of the same
amperage rating, and make sure it fits
tightly. If it does not fit tightly, have an
expert install it. We recommend an
Authorized Mazda Dealer.
If you have no spare fuses, borrow one
of the same rating from a circuit not
essential to vehicle operation, such as
the AUDIO or OUTLET circuit.
CAUTION
Always replace a fuse with a genuine
Mazda fuse or equivalent of the same
rating. Otherwise you may damage the
electric system.
6. Reinstall the cover and make sure that it is securely installed.
Replacing the fu ses under the hood
If the headlights or other electrical
components do not work and the fuses in
the cabin are normal, inspect the fuse
block under the hood.
If a fuse is blown, it must be replaced.
Follow these steps:
1. Make sure the ignition is switched off, and other switches are off.
2. Remove the fuse block cover.
3. If any fuse but the MAIN fuse is blown, replace it with a new one of the
same amperage rating .
Normal
Blown
Maintenance and Care
Owner Maintenance
6-51
CX-9_8HB2-EA-18G_Edition1 2018-5-11 13:09:27