Volvo has recalled nearly 500,000 cars in the United States and Canada due to a software glitch affecting the backup camera.The recall affects various Volvo models from 2021 to 2025, with the issue causing the camera display not to appear during driving.The software glitch can trigger a fault code leading to an error message stating 'Camera is temporarily not available.'Volvo will update the software to fix the issue, with dealer and owner notifications already in progress.