Assalamu Alaikum, readers of The Auto Pulse! If you own a Toyota Hilux Revo or Toyota Fortuner, you have a powerful 4x4 machine. But do you know how to use it correctly?
Many owners are confused about when to use H2, H4, and L4 modes. Using the wrong mode at the wrong time can actually damage your vehicle. In this guide, we will explain exactly how the 4x4 system works and the safe procedure for engaging these modes.
We will also cover other important features like Eco Mode, Power Mode, and DAC (Downhill Assist Control). Watch the full tutorial below.
1. Eco Mode vs. Power Mode
Before jumping into 4x4, let's understand the drive modes located near the gear lever.
- Eco Mode: This optimizes the engine for fuel efficiency. It smooths out throttle response to burn less fuel. Use this for daily city driving.
- Power (PWR) Mode: This enhances throttle response and holds gears longer. It gives you maximum acceleration for overtaking or climbing hills, but it consumes more fuel.
2. Understanding H2, H4, and L4
The 4x4 knob has three positions:
H4 (High Speed 4WD): Activates all four wheels. Use this for slippery conditions like rain, mud, or gravel at higher speeds.
L4 (Low Speed 4WD): This uses a lower gear ratio for maximum torque. Use this ONLY for extreme off-roading, deep mud, or steep climbing at very low speeds.
3. How to Safely Engage 4x4
Many people damage their transmission by engaging 4x4 incorrectly. Follow these rules:
Shifting from H2 to H4:
You can shift from H2 to H4 while moving (below 80 km/h). Simply turn the knob. The 4x4 light on the dash will flash and then stay solid once engaged.
Shifting from H4 to L4 (Critical!):
Never shift to L4 while moving!
- Bring the vehicle to a Complete Stop.
- Shift the gear lever to Neutral (N).
- Push the 4x4 knob IN and turn it to L4.
- Wait for the 4LO light on the dashboard to stop flashing and stay solid.
- Shift back to Drive (D) to move.
4. Differential Lock & DAC
Diff Lock: This button locks the rear wheels together so they spin at the same speed. Use this only when you are stuck in mud or sand. Do not use it on turns!
DAC (Downhill Assist Control): This system automatically controls the brakes when going down a steep hill, preventing the car from sliding. It works best in L4 mode.
By following these steps, you can safely enjoy the full off-road potential of your Toyota without damaging the drivetrain. If you found this helpful, please subscribe!
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