What could be the reasons for not being able to shift gears?

My 2018 GS7 has run over 50,000 kilometers. Occasionally, I feel a slight jerk when shifting from 2nd to 3rd gear. What could be the reason for this?

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Hey everyone, I've been experiencing some jerking when I press the clutch on my car. What could be the reason for this? It happens when I try to shift gears at 2000 RPM.

Car enthusiasts: Sometimes when driving a small car, the D gear won't shift up. The RPM suddenly goes up, but the gear doesn't match. What could be the reason?

The battery status is normal. What could be the reason for not being able to start the engine after turning it off?

What could be the reasons for not being able to shift gears?

What could be the reasons for not being able to shift gears?