2021 Toyota Sienna Owners Manual - Light bulbs

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 Toyota dealer.

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

Preparing for light bulb replacement

Check the wattage of the light bulb to be replaced

Turning off the power back door main switch

Bulb locations

Front

• Vehicles without daytime running lights or with bulb type daytime running lights

1. Headlight high beam and daytime running lights (if equipped)
2. Headlight low beam (halogen bulb)
3. Fog light (if equipped)
4. Front turn signal/parking and front side marker lights

• Vehicles with LED type daytime running lights

1. Front turn signal light
2. Headlight high beam
3. Fog light
4. Headlight low beam (halogen bulb)
5. Front side marker light

Rear

• Vehicles with bulb type stop/tail lights

1. Rear turn signal light
2. Back-up light
3. License plate lights
4. Tail light
5. Stop/tail lights

• Vehicles with LED type stop/tail lights

1. Tail light
2. License plate lights
3. Back-up light
4. Rear turn signal light

Replacing light bulbs

Headlight low beams (halogen bulb)

1. For left side only: Open the fuse box cover.
2. Unplug the connector while pushing the lock release.
3. Turn the bulb base counterclockwise.
4. Install a new light bulb.
5. Align the 3 tabs on the light bulb with the mounting, and insert.
6. Turn and secure the bulb base.
7. Install the connector.
8. Shake the bulb base gently to check that it is not loose, turn the headlights on once and visually confirm that no light is leaking through the mounting.
9. For left side only: Install the fuse box cover.

Headlight high beams and bulb type daytime running lights (if equipped)

1. For left side only: Open the fuse box cover.
2. Turn the bulb base counterclockwise.
3. Unplug the connector while pushing the lock release.
4. Install a new light bulb.
5. Align the 3 tabs on the light bulb with the mounting, and insert.
6. Turn and secure the bulb base.
7. Shake the bulb base gently to check that it is not loose, turn the headlights on once and visually confirm that no light is leaking through the mounting.
8. For left side only: Install the fuse box cover.

Fog lights (if equipped)

1. Remove the engine under cover bolt and pull down the engine under cover.
2. Unplug the connector while pushing the lock release
3. Turn the bulb base counterclockwise.
4. Install a new light bulb.
5. Align the 3 tabs on the light bulb with the mounting and insert.
6. Turn clockwise and secure the bulb base.
7. Install the connector.
8. Shake the connector gently to check that it is not loose, turn the fog lights on once and visually confirm that no light is leaking through the mounting.
9. When installing the engine under cover, reverse the step 1.

Front turn signal/parking and front side marker lights (vehicles without daytime running lights or with bulb type daytime running lights)

1. For left side only: Open the fuse box cover.
2. Turn the bulb base counterclockwise.
3. Remove the light bulb.

Front turn signal lights (vehicles with LED type daytime running lights)

1. For left side only: Open the fuse box cover.
2. Turn the bulb base counterclockwise.
3. Remove the light bulb.

Front side marker lights (vehicles with LED type daytime running lights)

1. For left side only: Open the fuse box cover.
2. Turn the bulb base counterclockwise.
3. Remove the light bulb.

Rear turn signal lights (vehicles with LED type stop/tail lights)

1. Remove the securing bolts and remove the unit.
2. Turn the bulb base counterclockwise.
3. Remove the light bulb.

Rear turn signal lights and stop/tail lights (vehicles with bulb type stop/tail lights)

1. Remove the securing bolts and remove the unit.
2. Unplug the connector while pushing the lock release
3. Turn the bulb base counterclockwise.
4. Rear turn signal lights
5. Stop/tail lights

Remove the light bulb.

1. Rear turn signal lights
2. Stop/tail lights

Tail and back-up lights

1. Remove the back door trim board.
2. Turn the bulb base counterclockwise.

• Vehicles with bulb type stop/tail lights

1. Back-up light
2. Tail light

• Vehicles with LED type stop/tail lights

1. Tail light
2. Back-up light 
3. Remove the light bulb

• Vehicles with bulb type stop/tail lights

1. Back-up light
2. Tail light

• Vehicles with LED type stop/tail lights

1. Tail light
2. Back-up light

License plate lights

1. Remove the back door trim board.
2. Turn the bulb base counterclockwise.
3. Remove the light bulb.

Replacing the following bulbs

If any of the lights listed below has burnt out, have it replaced by your Toyota dealer.

• Headlight low beams (discharge bulbs)
• Parking lights (LED type)
• Daytime running lights (LED type)
• Side turn signal light (if equipped)
• Stop/tail lights (LED type) and rear side marker lights
• High mounted stoplight
• Outer foot lights (if equipped)

Discharge headlights (if equipped)

If voltage to the discharge bulbs is insufficient, the bulbs may not come on, or may go out temporarily. The discharge bulbs will come on when normal power is restored.

LED lights

The daytime running lights (LED type), parking lights (LED type), stop/tail (LED type), side turn signal light, rear side marker lights and high mounted stoplight consists of a number of LEDs. If any of the LEDs burn out, take your vehicle to your Toyota dealer 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 your Toyota dealer for more information 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 light bulbs