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How Do I Turn On 4H?

Published in 4WD Operation 2 mins read

To turn on 4H (four-wheel drive high), you will typically need to follow specific steps involving your vehicle's speed and a control switch. Based on the provided information, the process is straightforward.

Engaging 4H allows your vehicle to send power to all four wheels, providing increased traction on slippery surfaces, gravel, or mild off-road conditions while still allowing for higher speeds compared to 4L.

Steps to Shift to 4H

According to the reference, shifting from 2H to 4H involves these key actions:

  1. Reduce Vehicle Speed: You must decrease your vehicle's speed to less than 62 mph (100 km/h). Shifting at higher speeds may not be possible or could potentially damage the drivetrain.
  2. Operate the Control Switch: Locate your vehicle's front-wheel drive control switch. You need to push and shift this switch to “4H”. The exact location and type of switch (e.g., dial, lever, button) can vary by vehicle model, but the function is the same.
  3. Confirm Engagement: Once the shift is successfully initiated, the “4H” indicator will come on, typically on your dashboard. This light confirms that your vehicle is now operating in four-wheel drive high mode.

Here's a quick summary in a table:

Action Requirement Indication
Reduce Speed Less than 62 mph (100 km/h) N/A
Use Control Switch Push and shift to "4H" N/A
Confirmation N/A "4H" indicator ON

Always refer to your specific vehicle's owner's manual for detailed instructions tailored to your make and model, as procedures can sometimes vary slightly.