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How to upgrade the OTA for the 2021 Buick Excelle?

2 Answers

RafaelFitz

07/30/25 1:35am

The steps to upgrade the OTA for the 2021 Buick Excelle are as follows: 1. Click on the vehicle settings, then enter the system to check if there is a new version update for the vehicle system; 2. Then click the "Update" button, and after the update file is downloaded, click "Install"; 3. The installation process takes about 10 minutes. Do not turn off the engine or power during installation. Once the installation is complete, the infotainment system will be updated. Relevant information about automotive OTA upgrades is as follows: 1. Automotive OTA upgrades are similar to Windows system upgrades for computers or mobile phone system upgrades. Each upgrade can bring improvements, bug fixes, or additional features, performance enhancements, or visual improvements. 2. This type of update involves online detection after connecting to the internet, version matching, downloading new code to the local device, and then executing the installation and verification processes.

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StCaleb

08/15/25 7:20am

My own car is also a 2021 Buick Excelle, and I recently performed an OTA update myself—it was quite convenient. You just need to tap 'Settings' on the central control screen, scroll down to find the 'System' or 'Software Update' section, and there's a 'Check for Updates' button. Make sure your car is connected to the internet, either via the built-in 4G or your phone's hotspot. After tapping, the system will automatically check for new versions. If available, just follow the prompts to download and install step by step. However, be careful! Do not turn off the engine or cut the power during the update—it takes about 20-30 minutes, roughly the time to watch a few short videos on your phone. If the process is interrupted midway, issues may arise. If you really can't manage it, just drive to a 4S店—they can handle it in minutes using their computer.

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