2011 Chevrolet Aveo Owner's Manual - Page 130

5-18 Instruments and Controls Hold Mode Light Tire Pressure Light When the Light Flashes First and Then is On Steady This indicates that there may be a problem with the Tire Pressure Monitor System. The light flashes for about a minute and then stays on steady for the remainder of the ignition cycle. This sequence will repeat with every ignition cycle. See Tire Pressure Monitor Operation on page 10‑51 for more information. If the vehicle has this feature, this light comes on when the Hold Mode is active. If the HOLD mode light flashes, have the vehicle checked. See "Hold Mode" under Automatic Transmission on page 9‑25 for more information. For vehicles with the Tire Pressure Monitoring System, this light comes on briefly when the engine is started. It provides information about tire pressures and the Tire Pressure Monitoring System. When the Light is On Steady This indicates that one or more of the tires are significantly underinflated. Stop and check the tires as soon as it is safe to do, and inflate them to the proper pressure. See Tires on page 10‑42 for more information. Engine Oil Pressure Light If the vehicle has low engine oil pressure, this light will stay on after the engine is started, or come on while driving.