See also:

Low tire pressure warning light (U.S.-spec. models)
When the ignition switch is turned to the “ON” position, the low tire pressure warning light will illuminate for approximately 2 seconds to check that the tire pressure monitoring system ( ...

For AT models
This light flashes if the vehicle is driven with tires of different diameters fitted on its wheels or with the air pressure excessively low in any of its tires. ...

To remove the cover
1. Rewind the cover. 2. Push the switch that is next to the right end of the cover housing. 3. Take it off the retainer. ...