human
What are the signs of a failing transmission?
assistant
1. The vehicle may have difficulty starting or shifting gears, or it may not move at all.
2. The engine may make unusual noises such as knocking, clunking, or whining.
3. The check engine light may illuminate on the dashboard.
4. The vehicle may vibrate excessively when driven.
5. The vehicle may hesitate when accelerating or braking.
6. The vehicle's mileage may decrease significantly.