The best place to start when troubleshooting any electrical problem with your 12th generation (2019 hatchback, 2020, 2021 and 2022 sedan) Toyota Corolla is to check for a blown fuse or a faulty relay in either the engine bay or the interior passenger compartment electrical panels. To view the DIY tutorial for the procedure (with the compatible replacement fuse type), click on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Trunk (Cargo Area) Light Bulb Replacement Guide
If you need to change a burnt out cargo area light bulb in the trunk of your 12th generation 2020, 2021 & 2022 Toyota Corolla sedan, check out the DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Trunk Light Bulb Replacement Guide
2020, 2021 & 2022 Toyota Corolla Front Side Marker Light Bulb Replacement Guide
If you need to change a burnt out front side marker light bulb in the headlight housing of your 12th generation (2019 hatchback, 2020, 2021 and 2022 sedan) Toyota Corolla, check out the DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Front Side Marker Light Bulbs Replacement Guide
2020, 2021 & 2022 Toyota Corolla Front Turn Signal Light Bulb Replacement Guide
If you need to change a burnt out front turn signal light bulb in the headlight housing of your 12th generation (2019 hatchback, 2020, 2021 and 2022 sedan) Toyota Corolla, check out the DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Front Turn Signal Light Bulb Replacement Guide
2020, 2021 & 2022 Toyota Corolla Automatic Transmission Shift Lock Release Guide
If you need to manually move your 12th generation 2019 (hatchback), 2020, 2021 and 2022 Toyota Corolla sedan due to a weak or dead 12V battery, you’ll need to use the automatic transmission’s shift lock release mechanism to change the gear selector from “P” (Park) to “N” (Neutral). Check out the DIY tutorial for the procedure (with the required tools list) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Reverse Light Bulb Replacement Guide
If you need to change a burnt out reverse light bulb (also known as the “back up” or “back-up” light bulb) in the trunk lid of your 12th generation 2020, 2021 and 2022 Toyota Corolla sedan, check out the DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Reverse Light Bulb Replacement Guide
2020, 2021 & 2022 Toyota Corolla Tail Light Bulbs Replacement Guide
The main tail light housings of a 12th generation (2019 hatchback, 2020, 2021 and 2022 sedan) Toyota Corolla contain the rear turn signal and rear side marker along with an LED brake light. To view the DIY tutorial for changing the incandescent bulbs (with the compatible replacement part numbers), click on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Interior Door Panel Removal & OEM Speaker Upgrade Guide
If you’d like to upgrade the OEM door speakers in your 12th generation (2019 hatchback, 2020, 2021 & 2022 sedan) Toyota Corolla, you’ll first have to take off the plastic interior door panels. Check out the DIY tutorial for the procedure (with the compatible replacement aftermarket speaker sizes) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Dome Light Bulb Replacement Guide
If you need to change a burnt out dome light bulb in your 12th generation (2019 hatchback, 2020, 2021 & 2022 sedan) Toyota Corolla, check out the DIY tutorial (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla A/C Cabin Air Filter Replacement Guide
If you need to clean or change the A/C system’s cabin air filter element in your 12th generation (2019 hatchback, 2020, 2021 & 2022 sedan) Toyota Corolla, check out the DIY guide (with the compatible replacement part numbers) by clicking on the text link or the thumbnail picture below.









