Materials Needed: A reliable tire pressure gauge, an air compressor (at home or at a gas station).
Safety Precaution: Always perform this task on a level surface. Avoid over-inflating tires, as this can be dangerous.
Check Recommended Pressure: Locate your vehicle's recommended tire pressure (PSI), usually on a sticker inside the driver's door jamb or in the owner's manual.
Measure Current Pressure: With tires cold, remove the valve cap from each tire. Firmly press the tire pressure gauge onto the valve stem and read the current pressure.
Add Air: If the pressure is below the recommended level, connect the air compressor hose to the valve stem. Add air in short bursts, rechecking the pressure with the gauge frequently until it matches the recommended PSI. Do not exceed the maximum pressure listed on the tire's sidewall.
Replace Valve Caps: Once all tires are at the correct pressure, securely replace the valve caps.
Verify the Fix: Drive your Mitsubishi for a few minutes. The TPMS light should turn off automatically once the system registers the correct pressures. If the light remains on after driving, it may indicate a different issue or require a system reset (refer to your owner's manual for specific reset procedures, if applicable).
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