How to Remove the Speed Limit on Haval H6?
3 Answers
Press the speed limit release button next to the gear lever of the Haval H6. Below are the specific methods to resolve the speed limit: 1. First, press and hold the OK button on the steering wheel to enter the settings page. On this page, you can see the speed alarm settings. Then, enter the speed alarm settings page to turn the speed alarm switch on or off, or you can choose to set the alarm speed and increase the upper limit of the alarm speed. 2. Start the engine and let it idle. The dashboard of the Haval H6 will light up, indicating that the vehicle's power is fully connected. Then, press the speed limit release button next to the gear lever of the Haval H6. 3. Due to different models of the Haval H6, some models cannot cancel the speed limit alarm as it is preset to a 120 km/h overspeed reminder from the factory.
I've been driving a Haval H6, and its speed limit is set for safety, not something that can be easily removed. The manufacturer has set a speed limit in the engine control unit, usually around 120km/h, to prevent speeding and engine overheating. To remove it, theoretically, there are two ways: one is to flash the ECU software to reset the parameters, but that requires professional tools, like connecting a computer via the OBD interface to modify the code; the other is to modify the hardware, such as replacing the sensors, but that's even more complicated. I've tried similar modifications myself and found the risks to be significant—it could damage the engine or cause system failure, and it also violates traffic laws. Safe driving is the most important thing. If you feel the speed limit is too low, first check if it's a malfunction or tire pressure issue; it's best not to tamper with it and instead have a professional technician at the 4S store diagnose it. The speed limit design of the Haval H6 is reasonable and sufficient for daily driving—don't sacrifice safety for the sake of speed.
As an automotive enthusiast, I've studied the electronic system of the Haval H6. Its speed limiter is bound to the ECU, and deactivating it isn't as simple as pressing a button. Typically, you'd need diagnostic equipment like an OBD Scanner to adjust parameters—a highly technical process where a single misstep could crash the entire computer. I recommend first checking the owner's manual to see if manual speed limit settings are available or connecting to a mobile app to monitor real-time data. Avoid DIY attempts lightly, as Haval models come with lengthy warranties, and illegal modifications could void coverage. Moreover, speeding poses significant safety risks and increases accident likelihood. If you're seeking performance improvements, prioritize proper maintenance like regular throttle body cleaning over risky speed limiter removal.
