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What is the reason why the USB flash drive of the 2021 Highlander does not respond?

3 Answers
LaBrielle
09/02/25 4:24am
2018 Highlander USB flash drive cannot be recognized for roughly two reasons: one is the USB flash drive problem, and the other is the central control system. Here is the relevant information: Specific reasons: Check the format of the USB flash drive. Generally, it is mostly in FAT format. The Highlander is not compatible with NTFS format, so change the USB flash drive format. Or the USB flash drive has been partitioned as a boot disk before. You can open the computer, right-click on management, disk management, right-click to format the USB flash drive, or download a boot disk creation tool online, initialize the USB flash drive, and copy the original files back in. Highlander: The Highlander is a car produced by Toyota, a large-size SUV in the Toyota family. It has a wide body and an innovative, spacious interior space.
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StCassidy
09/14/25 6:37am
I've driven quite a few 2021 Highlanders and often use USB drives for music or data transfer. If the USB drive doesn't respond when plugged in, the reason is usually a format issue—the Highlander only recognizes FAT32 format. If the USB drive is NTFS or exFAT formatted, the system simply ignores it. It could also be due to poor compatibility of the USB drive itself, especially with large-capacity drives—sometimes those over 128GB aren't supported. USB port issues are also common, such as looseness or dust buildup causing poor contact. File format incompatibility is another pitfall, as the Highlander only supports common formats like MP3 or WMA for music files. Additionally, outdated car system software can trigger this problem, and updating the firmware might resolve it. Finally, test the port's power supply function—if it only charges but doesn't transfer data, try a different port or check the settings. My suggestion is to first format the USB drive to FAT32 on a computer and try again. If that doesn't work, clean the port or visit a professional shop for inspection.
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LeChristopher
10/28/25 7:20am
I think the reasons why USB drives don't work in cars can be analyzed from daily usage experience. The 2021 Highlander's USB system sometimes takes a few seconds to recognize new USB drives—just be patient and observe. When there are too many or disorganized files, the system can become overloaded and unresponsive, so I always recommend formatting the USB drive and keeping only essential files. Low current output from the port is another factor, as older USB drives or high-power devices may fail to function. Compatibility issues often arise from brand differences—for example, some cheap USB drives have poor recognition, and switching to a reliable brand usually solves the problem. Software bugs occasionally cause trouble, but restarting the vehicle or resetting the multimedia system often helps. External interference, like dust in the port, can be resolved by regularly cleaning with a soft brush. For safety, avoid frequently plugging and unplugging while driving to prevent system damage. Regularly updating the car's software can reduce such issues—just make it a habit.
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