Tangible signs:
*Slipping: The transmission slips and the vehicle does not accelerate properly.
* Knock or shock when shifting gears: Jerks or shocks when shifting from one gear to another.
* Vibration or hum: Abnormal vibration or noise while the vehicle is moving.
* Shift Delay: Delay in shifting gears or refusal to shift.
*Transmission Fluid Leaks: The visible presence of leaks from the transmission, usually red or brown in color.
* Burning Smell: A burning smell coming from the hood may indicate an overheated transmission.
Indicators on the dashboard:
*Check Engine Light: Typically indicates problems with sensors or electronics related to the automatic transmission.
* “Automatic” indicator: A special indicator that lights up when a malfunction is detected in the gearbox.
* Flashing “D” or “O/D” light: On some Kia Sid models, this light may flash to indicate an automatic transmission problem.
Other signs:
*Poor Fuel Economy: A faulty automatic transmission can lead to poor fuel economy.
* Difficulty starting the car: In some cases, a faulty automatic transmission can make it difficult to start the engine.
* Inability to Shift: A complete inability to shift gears may indicate a serious problem.