Posted on 10/23/2025 by Alla Lighting
Table of Contents
Ready to upgrade your old halogen bulbs? Learn how to replace and complete the installation for LED headlight bulbs. Easy installation and tips!
The halogen exterior bulbs may be too dim in your 2001-2015 / 2019-2023 Toyota Prius, which can make vision difficult, especially in bad weather or severe driving conditions. Upgrading the old halogen bulbs on your Toyota Prius with new aftermarket LED bulbs can add a great new look to your vehicle and improve visibility at night for a safer driving experience.
If you choose to upgrade your old halogen bulbs to new LED bulbs, it is best to confirm you have the correct replacement LED bulb by referring to the original bulb or the vehicle’s direct owner’s manual.
We will show you how to install your new ALLA Lighting LED bulbs for your parking lights application.
Bulb sizes for the 2001-2015 / 2019-2023 Toyota Prius parking light bulbs is # 168
The parking lights are in the front light assembly, begin by opening the hood.
We have to remove the plastic cover, there are five clips to pull out to remove it.
Pop out the middle ring, then pull the clips out.
Remove the plastic cover to access the bulbs.
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Turn the socket counterclockwise to remove it.
Pull out the incandescent bulb.
Replace it with the LED and test it.
Line up the notches on the socket with the slots in the housing.
Insert the socket and turn it clockwise to lock it.
The tab on the socket will be at the three o’clock position when installed.
Now repeat those steps on the other side.
These new Alla Lighting 6000k white LED bulbs are a huge upgrade from the incandescent bulbs.
Check out our Step by Step installation video!
Congratulations! Your LED parking lights installation is now complete in your 2001-2015 / 2019-2023 Toyota Prius. If you experienced any issues during your installation and unable to complete installation, please contact us for assistance. If the LED bulbs are experiencing hyper-flashing, flickering, an error code issues, then load resistors for this application will be required to be installed. These issues can occur due to the LEDs low current nature, which draws much less current than original stock halogen bulbs.
Please feel free to contact us at service@allalighting.com for assistance. Our team of highly trained representatives will be available to assist and provide the best solution. May also visit us at www.allalighting.comÂ
Looking for more LED upgrades for your 2001-2015 / 2019-2023 Toyota Prius. Check out the below bulb guide! For your reference only. All information below is not 100% guaranteed accurate. Please confirm the original bulb part numbers by referring to the original bulb or the vehicle’s direct owner’s manual prior to purchase.
Front Exterior Lights
Front Daytime Running Light. Stock #: LED
Front Sidemarker Light Bulb. Stock #: LED
Front Turn Signal Light Bulb. Stock #: 7440NA
High Beam Headlight Bulb. Stock #: LED
Low Beam Headlight Bulb. Stock #: LED
Rear Exterior Lights
Back Up Light Bulb. Stock #: 921
Brake Light Bulb. Stock #: LED
Center High Mount Stop Light Bulb. Stock #: LEDÂ
License Plate Light Bulb. Stock #: LED
Parking Light Bulb. Stock #: 7444NA
Rear Sidemarker Light Bulb. Stock #: 168
Rear Turn Signal Light Bulb. Stock #: 7440NA
Tail Light Bulb. Stock #: LED
Interior Lights
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