Mistakes Damaging Automatic Transmission Resting the left foot on the clutch pedal while driving a vehicle with an automatic transmission can damage the vehicle over time. Why? There is a fundamental difference in how automatic and manual transmissions operate. Manual Transmission: Automatic Transmission: What is the potential damage from Resting the foot on the clutch pedal? In an automatic vehicle, resting the foot on the … Continue reading Is it true that resting your left foot on the clutch pedal while driving a vehicle with an automatic transmission can cause damage over time?