Read the warning pattern
Chevrolet describes a steady warning for low tire pressure. A yellow lamp that flashes for more than a minute and then stays lit indicates a condition requiring diagnostic service. A malfunctioning monitor cannot reliably warn of a low tire.
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Measure before resetting anything
Find the cold-pressure specification on the driver-side door frame or in the manual. Check with a gauge when the vehicle has rested at least three hours or driven no more than one mile. Correct each tire to its specified pressure.
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Choose the next action
After a low-pressure correction, driving normally lets the warning clear. A flashing-then-steady warning calls for diagnosis rather than repeated inflation. Record which pattern occurred and the measured pressures for the technician.
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Sources / references 1
- Chevrolet Chevrolet TPMS: distinguish low pressure from a system fault ↗Reviewed Oct 8, 2026
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