Can 4H Be Used on Highways?
2 Answers
4H cannot be used on highways. Here are the relevant details: 1. 4H: This is the high-speed four-wheel drive mode. It can be used on highways if there is snow accumulation, such as during winter in Northeast China; however, it is unnecessary on dry highway surfaces. 4H is part of the full-time four-wheel drive system and is perfectly suitable for highways and paved roads, with fuel consumption comparable to two-wheel drive. 2. Purpose of 4H: It is typically used on surfaces where 2H (two-wheel drive) is prone to slipping. Additionally, engaging 4H makes it easier for the vehicle to climb slopes. The 'H' stands for high-speed mode. It is used when road conditions are favorable, the engine has sufficient power, or the vehicle load is light.
I'm a driver with over 30 years of experience and have seen all kinds of weather conditions. The 4H mode can indeed be used on highways, especially during rain, icy, or snowy conditions, as it provides better traction and prevents skidding. I once used 4H on the highway during a heavy rainstorm and felt the vehicle was much more stable. However, if the road is dry and flat, I still recommend switching back to 2H mode to reduce fuel consumption and tire wear. After all, running the four-wheel-drive system for extended periods on dry roads adds unnecessary strain and may accelerate wear on drivetrain components. Safety always comes first, so adjust the use of 4H according to actual conditions—don’t keep it on just for convenience.
