Wet-clutch vs dry-clutch DCT

A DCT's two clutches are either dry, running in air, or wet, running in the gearbox oil, which carries heat away. A dry unit can overheat with repeated stop-start launches on steep slopes, which is why Kia's manual warns against holding the car on a hill with the accelerator; a wet unit copes better with heat and higher torque. The Kia Seltos's seven-speed DCT is dry.

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Checked against this source on 18 Sep 2026. Every term