In a vehicle with an automatic transmission, what can selecting a lower gear help with?

Selecting a lower gear in a vehicle with an automatic transmission is particularly advantageous for assisting with braking. When you shift to a lower gear, the engine's RPMs (revolutions per minute) increase, which in turn provides enhanced engine braking. This is accomplished through the use of the engine's built-up compression to slow the vehicle down, reducing reliance on the conventional brake system. This can be especially helpful in situations like descending a steep hill, where maintaining control is essential. The engine braking effect helps to prevent brake overheating and wear, thereby improving overall safety and vehicle handling.

In addition, lower gears provide more torque, which can aid in controlling the vehicle during low-speed maneuvers or when additional power is needed to tackle inclines. Therefore, when a driver selects a lower gear, it allows the vehicle to handle specific driving conditions more effectively, particularly those that require slowing down or maintaining speed without straining the brakes.