Lexus RX Owners Manual (RX450h): Light bulbs

You may replace the following bulbs by yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Lexus dealer.

For more information about replacing other light bulbs, contact your Lexus dealer.

Preparing for light bulb replacement

Check the wattage of the light bulb to be replaced.

Bulb locations

■ Front

Lexus RX. Do-it-yourself maintenance

  1. Front turn signal light (vehicles with single-beam headlights)
  2. Front side marker light (vehicles with single-beam headlights)

■ Rear

Lexus RX. Do-it-yourself maintenance

  1. Back-up light
  2. Rear turn signal light (vehicles with single-beam headlights)

Replacing light bulbs

■ Front side marker lights (vehicles with single-beam headlights)

1. To ensure enough space to perform work, turn the steering wheel to rotate the front wheel away from the bulb to be replaced.

Remove the 3 fender liner clips.

Turn the steering wheel to the left when replacing the right side light bulb, and turn the steering wheel to the right when replacing the left side light bulb.

When removing a fender liner clip, use a flathead screwdriver to pry the center portion out and then remove the whole clip.

Lexus RX. Do-it-yourself maintenance

2. Pull back the fender liner until the connector is visible.

Lexus RX. Do-it-yourself maintenance

3. Partially remove the fender liner and turn the bulb base counterclockwise and remove it.

Lexus RX. Do-it-yourself maintenance

4. Remove the light bulb.

Lexus RX. Do-it-yourself maintenance

5. Install a new light bulb and then install the bulb base to the light unit by inserting it and turning it clockwise.

After installing the bulb base, wiggle it lightly to make sure it is securely installed and turn the lights on to visually check that there is no light leaking from between the bulb base and light unit.

Lexus RX. Do-it-yourself maintenance

6. Reinstall the fender liner and install the 3 fender liner clips.

Lexus RX. Do-it-yourself maintenance

■ Front turn signal lights (vehicles with single-beam headlights

1. To ensure enough space to perform work, turn the steering wheel to rotate the front wheel away from the bulb to be replaced.

Remove the 3 fender liner clips.

Turn the steering wheel to the left when replacing the right side light bulb, and turn the steering wheel to the right when replacing the left side light bulb.

When removing a fender liner clip, use a flathead screwdriver to pry the center portion out and then remove the whole clip.

Lexus RX. Do-it-yourself maintenance

2. Pull back the fender liner until the connector is visible.

Lexus RX. Do-it-yourself maintenance

3. Partially remove the fender liner and turn the bulb base counterclockwise and remove it.

Lexus RX. Do-it-yourself maintenance

4. Remove the light bulb.

Lexus RX. Do-it-yourself maintenance

5. Install a new light bulb and then install the bulb base to the light unit by inserting it and turning it clockwise.

After installing the bulb base, wiggle it lightly to make sure it is securely installed and turn on the turn signal lights to visually check that there is no light leaking from between the bulb base and light unit.

Lexus RX. Do-it-yourself maintenance

6. Reinstall the fender liner and install the 3 fender liner clips.

Lexus RX. Do-it-yourself maintenance

■ Rear turn signal lights (vehicles with single-beam headlights)

1. Open the back door and apply protective tape to the vehicle body around the taillight.

Use masking tape, etc. Do not use duct tape, as it may leave residue or damage the paint when removed.

Lexus RX. Do-it-yourself maintenance

2. Using a flathead screwdriver, remove the cover.

To prevent scratching the vehicle, wrap the tip of the flathead screwdriver with a cloth, etc.

Lexus RX. Do-it-yourself maintenance

3. Remove the 2 screws.

Lexus RX. Do-it-yourself maintenance

4. Remove the taillight unit.

  1. Attach 2 long pieces of masking tape to the taillight unit and fold the excess in half.
  2. Hold the folded portion and pull it toward the rear of the vehicle to remove the light unit.

Lexus RX. Do-it-yourself maintenance

5. Turn the bulb base counterclockwise and remove it.

Lexus RX. Do-it-yourself maintenance

6. Remove the light bulb.

Lexus RX. Do-it-yourself maintenance

7. Install a new light bulb and then install the bulb base to the light unit by inserting it and turning it clockwise.

After installing the bulb base, wiggle it lightly to make sure it is securely installed and turn on the rear turn signal lights to visually check that there is no light leaking from between the bulb base and light unit.

Lexus RX. Do-it-yourself maintenance

8. Install the light unit.

Align the tabs and push the light unit toward the front of the vehicle to install it.

Lexus RX. Do-it-yourself maintenance

9. Install the 2 screws.

Lexus RX. Do-it-yourself maintenance

10. Install the cover.

Lexus RX. Do-it-yourself maintenance

11. Remove the protective tape.

■ Back-up lights

1. Open the back door and remove the cover.

Using a flathead screwdriver, remove the cover.

To prevent scratching to the vehicle, wrap the tip of the flathead screwdriver with a cloth, etc.

Lexus RX. Do-it-yourself maintenance

2. Turn the bulb base counterclockwise and remove it.

Lexus RX. Do-it-yourself maintenance

3. Remove the light bulb.

Lexus RX. Do-it-yourself maintenance

4. Install a new light bulb and then install the bulb base to the light unit by inserting it and turning it clockwise.

After installing the bulb base, wiggle it lightly to make sure it is securely installed and turn on the back-up lights to visually check that there is no light leaking from between the bulb base and light unit.

Lexus RX. Do-it-yourself maintenance

5. Install the cover.

Align the tabs of the cover with the grooves and install the cover.

Lexus RX. Do-it-yourself maintenance

■ Replacing the following bulbs If any of the lights listed below has burnt out, have it replaced by your Lexus dealer.

  • Headlight low beams
  • Headlight high beams
  • Front turn signal lights (vehicles with triple-beam headlights)
  • Parking lights and daytime running lights
  • Fog lights
  • Cornering lights (if equipped)
  • Front side marker lights (vehicles with triple-beam headlights)
  • Side turn signal lights
  • Stop/tail lights
  • Rear turn signal light (vehicles with triple-beam headlights)
  • Rear side marker lights
  • High mounted stoplight
  • License plate lights
  • Outer foot lights

■ LED lights The headlight low beams, headlight high beams, front turn signal lights (vehicles with triple- beam headlights), parking lights and daytime running lights, fog lights, cornering lights (if equipped), front side marker lights (vehicles with triple-beam headlights), side turn signal lights, stop/tail lights, rear turn signal light (vehicles with triple-beam headlights), rear side marker lights, high mounted stoplight, license plate lights, and outer foot lights consist of a number of LEDs. If any of the LEDs has burned out, take your vehicle to your Lexus dealer to have the light replaced.

■ Condensation build-up on the inside of a lens Temporary condensation build-up on the inside of the headlight lens does not indicate a malfunction. Contact your Lexus dealer for more information in the following situations:

  • Large drops of water have built up on the inside of a lens.
  • Water has built up inside a headlight.

WARNING

■ To prevent injury Before performing any light bulb replacement procedure, be sure to turn the power switch off. Failure to do so may result in burns from hot components or a part of your body may get caught on an operating component, possibly causing serious injury.

■ 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 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 entering the headlight unit. This may damage the headlights or cause condensation to build up on the lens.
  • Do not attempt to repair or disassemble the light bulbs, connectors, electric circuits or component parts.

    Doing so may result in death or serious injury due to electric shock.

■ 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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