2003 Subaru Impreza Owner's Manual - Page 301

In case of emergency Temporary spare tire (if equipped) The temporary spare tire is smaller and lighter than a conventional tire and is designed for emergency use only. Remove the temporary spare tire and reinstall the conventional tire as soon as possible because the spare tire is designed only for temporary use. Check the inflation pressure of the temporary spare tire periodically to keep the tire ready for use. The correct pressure is 60 psi (4.2 kg/cm2, 420 kPa). When using the temporary spare tire, note the following: D Do not exceed 50 mph (80 km/h). D Do not put a tire chain on the temporary spare tire. Because of the smaller tire size, a tire chain will not fit properly. D Do not use two or more temporary spare tires at the same time. D Do not drive over obstacles. This tire has a smaller diameter, so road clearance is reduced. 1) Tread wear indicator bar 2) Indicator location mark D When the wear indicator appears on the tread, replace the tire. - CONTINUED - 9-3