Should I Use D Gear or S Gear for Uphill Driving in an Automatic Transmission?
2 Answers
For uphill driving in an automatic transmission, it is recommended to use the S gear as it provides better power and is more suitable for climbing. The D gear in an automatic transmission is the drive gear, used for normal driving. The starting sequence for an automatic transmission car is: 1. Sit in the driver's seat and press the start button, the ACC light will turn on; 2. Press the start button again for the vehicle to perform a self-check; 3. Press the brake and press the start button to ignite and start the engine; 4. Release the foot brake to proceed. The gears in an automatic transmission car are divided into: 1. P gear is the parking gear, also the starting gear; 2. R gear is the reverse gear; 3. N gear is the neutral gear; 4. D gear is the drive gear, also known as the forward gear; 5. L gear is the low-speed gear; 6. S gear is the sport mode.
When climbing hills, I prefer using the S mode instead of D mode, primarily for better torque and power control. The S mode (Sport mode) in automatic transmission vehicles typically keeps the engine at higher RPM ranges, delivering stronger climbing power—especially crucial on steep inclines to avoid insufficient power. While D mode handles flat roads or gentle slopes well, it may cause frequent gear shifts on steep hills, leading to unstable RPMs or even potential rollback or excessive engine strain. In fact, many cars automatically recommend S mode for uphill sections, which is why I often rely on it for smoother starts on mountain roads or parking lot ramps. Before ascending, always check for slippery surfaces and ensure proper tire pressure to minimize skidding risks. Overall, S mode offers greater driving confidence, particularly for beginners or less-experienced drivers, by reducing unexpected incidents.