Buick Regal automatic transmission issue, vehicle shifts back to neutral but allows manual shifting on Buick Regal

Some Buick Regal owners report experiencing automatic transmission issues, such as the vehicle unexpectedly shifting back to neutral while still allowing manual shifting. These problems may stem from various causes, including low or degraded transmission fluid, which is essential for smooth gear changes. Additionally, issues with the transmission pressure control solenoid can lead to erratic and rough gear shifts, affecting acceleration. Torque converter problems may also contribute to difficulties in shifting gears smoothly. Furthermore, some owners find that faulty electrical connections disrupt the transmission's operation, exacerbating shifting problems. While using the manual shifting option can temporarily help maintain control, it is recommended that owners have their Buick Regal inspected by a qualified mechanic to diagnose and address the underlying transmission issues. Regular maintenance, including fluid checks and servicing, is crucial to preventing such problems in the future.