Mazda CX-3: Light Bulbs / Replacing Exterior Light Bulbs

Mazda CX-3 (2015-2026) Owner's Manual / Maintenance and Care / Owner Maintenance / Light Bulbs / Replacing Exterior Light Bulbs

Headlights (With LED headlights)

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.

Headlights/Daytime running lights (With halogen headlights)

High-beams bulbs/Daytime running lights

Make sure the ignition is switched off, and the headlight switch is off.
Lift the hood.
Disconnect the connector from the unit by pressing the tab on the connector with your finger and pulling the connector downward.
Turn the socket and bulb assembly to remove it. Carefully remove the bulb from its socket in the reflector by gently pulling it straight backward out of the socket.
Install the new bulb in the reverse order of the removal procedure.

Low-beam bulbs

Make sure the ignition is switched off, and the headlight switch is off.
Lift the hood.
Disconnect the connector from the unit by pressing the tab on the connector with your finger and pulling the connector downward.
Turn the socket and bulb assembly to remove it. Carefully remove the bulb from its socket in the reflector by gently pulling it straight backward out of the socket.
Install the new bulb in the reverse order of the removal procedure.

Parking lights/Daytime running lights/Front side-marker lights (With LED headlights)

Parking lights/Front side-marker lights (With halogen headlights)

Make sure the ignition is switched off, and the headlight switch is off.
Turn the socket and bulb assembly counterclockwise and remove it.
Disconnect the bulb from the socket.
Install the new bulb in the reverse order of the removal procedure.

Front turn signal lights

Make sure the ignition is switched off, and the headlight switch is off.
Turn the screw counterclockwise and remove it, and then partially peel back the mudguard.
Turn the socket and bulb assembly counterclockwise and remove it.
Disconnect the bulb from the socket.
Install the new bulb in the reverse order of the removal procedure.

Fog lights*, Side turn signal lights*, Brake lights/Taillights (LED type), Rear side-marker lights (LED type),Taillights (LED type)*, High-mount brake light, Reverse lights (LED type)

Rear turn signal lights, Brake lights/ Taillights (Bulb type), Rear side-marker lights (Bulb type)

Make sure the ignition is switched off, and the headlight switch is off.
Turn the bolts counterclockwise and remove them.
Pull the unit rearward to remove it.
Turn the socket and bulb assembly counterclockwise and remove it.
Disconnect the bulb from the socket.
Rear turn signal lights

Brake lights/Taillights

Rear side-marker lights
Install the new bulb in the reverse order of the removal procedure.

Reverse lights (Bulb type)

Make sure the ignition is switched off, and the headlight switch is off.
Remove the cover.
Turn the socket and bulb assembly counterclockwise and remove it.
Disconnect the bulb from the socket.
Install the new bulb in the reverse order of the removal procedure.

License plate lights

Make sure the ignition is switched off, and the headlight switch is off.
Remove the cover.
Turn the socket and bulb assembly counterclockwise and remove it.
Disconnect the bulb from the socket.
Install the new bulb in the reverse order of the removal procedure.

Light Bulbs

WARNING Never touch the glass portion of a halogen bulb with your bare hands and always wear eye protection when handling or working around the bulbs: When a halogen bulb breaks, it is dangerous...

Replacing Interior Light Bulbs

Overhead lights (Front)/Map lights, Overhead lights (Rear) Wrap a small flathead screwdriver with a soft cloth to prevent damage to the lens, and then remove the lens by carefully prying on the edge of the lens with the flathead screwdriver...

Other information:

Mazda CX-3 (2015-2026) Owner's Manual: Underbody Maintenance

Road chemicals and salt used for ice and snow removal and solvents used for dust control may collect on the underbody. If not removed, they will speed up rusting and deterioration of such underbody parts as fuel lines, frame, floor pan, and exhaust system, even though these parts may be coated with anti-corrosive material...

Mazda CX-3 (2015-2026) Owner's Manual: Supplemental Restraint System (SRS) Precautions

The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed...