Stem Cap Sensor Indicator Warn Air Caps Car Tire Pressure Monitor Valve 4pcs

Quantity: 4pcs
Material: High quality copper core
Type:Valve Stem Cap
Placement on Vehicle: Front, Left, Lower, Rear, Right, Upper

1. Unscrew the existing valve cap
2. adjust the tire pressure to the manufacturer's recommended range. (It is recommended to adjust to the green position)
3. Screw the indicator cap onto the tire valve by hand
4. Check the indicator cap periodically
5. If the green drops to show red, it indicates insufficient tire pressure
6. Inflate the tire to the correct pressure
7. Keep the valve cap clean for easy inspection.


Instructions for use:
Green: Standard ,Under standard tire pressure, the clear window should be green and the vehicle should run normally. (2.4Bar)

Yellow: Warning,Tire pressure is slightly lower than the standard about 10%, the transparent window is yellowish green, should be inflated in time.(2.3-2.0Bar)

Red: Emergency,Tire pressure is lower than about 25% of the standard, the transparent window should be yellowish-red, should be checked and inflated immediately. (2.0Bar less)

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