Software glitches affecting the performance of the 2021 Chevrolet Bolt EV can stem from various issues including updates, hardware compatibility, and network connectivity. Here’s a more detailed exploration of these potential causes and resolutions:

Poor Software Updates

• Software updates, if not carefully executed, can introduce glitches. In some cases, updates may not install correctly, thus impairing the vehicle's performance.
• Manufacturers occasionally release updates to improve system functionality, but these updates can inadvertently introduce new bugs.

Resolution:

• Owners should ensure they download and install any pending software updates from Chevrolet to ensure all systems are running the latest versions.
• If problems persist post-update, consider reverting to a previous stable software version if possible, or consult an authorized Chevrolet service provider.

Overloaded Systems

• The infotainment and navigation systems can be overloaded due to excessive applications running simultaneously, contributing to slow performance or glitches.

Resolution:

• Regularly clear cache and manage background applications to reduce system overload.
• Reset the infotainment system to refresh its state, which might involve a simple restart or a system hard reset depending on manual guidance.

Incompatibility with Third-Party Apps

• Aftermarket additions or third-party applications could conflict with the car’s software, leading to inconsistencies.

Resolution:

• Uninstall third-party applications that are not essential or confirmed to be causing disruption.
• Use only recommended and compatible third-party applications.

BMS (Battery Management System) Glitches

• The Battery Management System is crucial for maintaining the optimal performance of the Bolt EV. Glitches in BMS can affect vehicle range and energy efficiency.

Resolution:

• Perform a BMS recalibration, which can sometimes be done through the vehicle settings or require intervention by service personnel.
• A professional diagnostic can help detect BMS issues, and further, firmware updates may be done by authorized service centers.

Connectivity Issues

• Problems with cellular or Bluetooth connectivity can affect features like navigation, automated service scheduling, or streaming applications.

Resolution:

• Reset network settings to solve connectivity issues or disconnections by power cycling the connectivity features.

System Reboot

• Sometimes, a simple system reboot will correct minor temporary issues.

Resolution:

• Follow the manufacturer’s guidelines to perform a full system reboot, which can involve shutting down the infotainment system completely and restarting it through the interface settings. If unsure, consult the vehicle manual for steps or visit the dealership.

Overall, maintaining an updated system, monitoring for any software abnormalities as well as regular maintenance by an authorized service center should keep the Chevrolet Bolt EV running smoothly.