1999 Subaru Impreza Owner's Manual - Page 243

In case of emergency en the attaching bolt firmly. Attaching bolt Flat tire Spacer HS0153 Also store the jack and wheel nut wrench in their storage locations. See Tire changing tools in this section. J Temporary spare tire WARNING Never tow a trailer when the temporary spare tire is used. The temporary spare tire is not designed to sustain the towing load. Use of the temporary spare tire when towing can result in failure of the spare tire and/or less stability of the vehicle and may lead to an accident. CAUTION Never use any temporary spare tire other than the original. Using other sizes may result in severe mechanical damage to the drive train of your vehicle. Your vehicle has a temporary spare tire. This tire is smaller and lighter than a conventional tire and is designed for emergency use only. Remove the temporary spare tire and re-install 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 at 60 psi (420 - CONTINUED - 8-11