How to Reset Tyre Pressure on the MG HS (Full Guide)

Keeping your MG HS tyres at the correct pressure isn’t just about comfort — it’s a key part of your car’s safety and efficiency. When tyre pressures drop or fluctuate, the Tyre Pressure Monitoring System (TPMS) alerts you with a warning light on the dashboard. In this guide, we explain how to reset the TPMS correctly, both automatically and manually, and what to do if the warning light won’t go away.

What the TPMS Does and Why It Matters

What Is the TPMS?

The Tyre Pressure Monitoring System (TPMS) in the MG HS continuously tracks the air pressure inside each tyre. Using sensors mounted on the wheel valves, it sends data to the car’s computer. When it detects a tyre pressure that’s too low, it triggers a yellow warning light on the dashboard.

Why the TPMS Light Comes On

Common causes include:

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• Low tyre pressure or a slow leak.
• Recently changed or rotated tyres.
• Incorrectly programmed sensors.
• Sudden temperature drops causing lower pressure.
• A malfunction within the TPMS itself.

Once tyre pressures are corrected, the system often needs a few minutes of driving to “learn” the new values and turn the light off.

Preparing Before the Reset

1. Check the Recommended Pressures

The correct pressures for your MG HS can be found on a sticker located on the driver’s door frame or inside the owner’s manual. These figures indicate the ideal cold tyre pressures for both front and rear tyres.

2. Adjust All Tyres

• Inflate all tyres — including the spare if applicable — to the recommended pressure.
• Do this when the tyres are cold (after driving less than 3 km).
• Use a reliable pressure gauge.
  Incorrect or uneven pressures may prevent the system from resetting properly.

How to Reset the TPMS on the MG HS

A. Automatic Reset (Most Common)

1. Adjust the tyre pressures as specified above.
2. Start the vehicle.
3. Drive for about 5–10 minutes at a steady speed above 20 mph (around 32 km/h).
4. The TPMS should automatically recognise the corrected pressures and the warning light should turn off.

If the light goes off after driving, the automatic reset has worked successfully.

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B. Manual Reset (If the Light Stays On)

1. Check your MG HS owner’s manual — some models include a TPMS reset function.
2. If your vehicle has a “TPMS Reset” button or menu option:
   • Turn the ignition on (but do not start the engine).
   • Locate the reset button or menu option on the dashboard or infotainment screen.
   • Press and hold it for about 3–5 seconds until the TPMS light blinks or turns off.
3. Drive again for several minutes to confirm the reset.

C. If the Light Still Stays On

• Recheck tyre pressures — a slow leak may still be present.
• Ensure that all sensors are compatible and correctly programmed, especially if tyres or wheels were recently changed.
• If the warning persists, visit an authorised MG dealer or qualified technician to inspect the system.

Helpful Tips and Common Mistakes

Regular Tyre Pressure Checks

• Check tyre pressures at least once a month and before long trips.
• Adjust for temperature changes — colder weather can lower pressure.
• If you change to winter or summer tyres, the system may need time to relearn or be reprogrammed.

Avoid These Common Errors

• Don’t ignore the TPMS warning light — it’s a key safety signal.
• Don’t assume the reset is complete without driving afterward.
• Don’t install valve caps or aftermarket sensors that interfere with the TPMS signal.

Maintaining the TPMS System

• Replace ageing tyre pressure sensors when changing tyres; their internal batteries have a limited lifespan.
• Avoid placing electronic devices near the wheel wells that might interfere with the system’s radio frequency signals.

Frequently Asked Questions

How far do I need to drive for an automatic reset?

Typically, 5–10 minutes at speeds above 20 mph (about 32 km/h) is enough, though some cases may require a few extra miles.

Can I press the reset button without adjusting the pressures first?

No. If the pressures are still incorrect, the system will trigger the warning light again. Always adjust the pressures before resetting.

What if I change only two tyres?

The system might not immediately recognise the new sensors or wheel positions. In that case, it may need additional driving time or a reprogramming session.

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Does the TPMS affect other systems?

Yes. Low tyre pressure impacts fuel efficiency, handling, braking, and overall tyre wear — that’s why it’s vital to address TPMS alerts promptly.

Conclusion

Resetting the tyre pressure monitoring system on the MG HS is straightforward once you follow the correct steps. Inflate all tyres to the recommended pressure, drive for a few minutes, and if needed, perform a manual reset. Doing so keeps your car safe, efficient, and ready for the road. If the warning light remains on, have the system checked by an MG service centre to rule out faulty sensors or deeper issues.

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