Toyota Matrix 2009 Owner's Manual page 244

NOTICE
Repairing or replacing tires, wheels and tire pressure warning
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valves and transmitters
When removing or fitting the wheels, tires or the tire pressure warning
valves and transmitters, contact your Toyota dealer as the tire pressure
warning valves and transmitters may be damaged if not handled cor-
rectly.
To avoid damaging the tire pressure warning valves and transmit-
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ters
Do not use liquid sealants on flat tires.
Driving on rough roads
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Take particular care when driving on roads with loose surfaces or pot-
holes.
These conditions may cause losses in tire air pressure, reducing the
cushioning ability of the tires. In addition, driving on rough roads may
cause damage to the tires themselves, as well as the vehicle's wheels
and body.
If tire inflation pressures become low while driving
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Do not continue driving, or your tires and/or wheels may be ruined.
4-3. Do-it-yourself maintenance
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