1996 Pontiac Grand Prix Owner's Manual - Page 226

Compact Spare Tire Although the compact spare tire was fully inflated when your vehicle was new, can lose air after a time. it Check,the inflation pressure regularly. It should be 60 psi (420 kPa). '\ Don't use your compact spare on other vehicles. And don't mixyour compact spare tire or wheel with other wheels or tires. They won't fit. Keep your spare tire and its wheel together. After installing the compact spare on your vehicle, you should stop as soon as possible and make sure your spare tire is correctly inflated. The compact spare is made to perform well at posted speed limits for distances up to 3,000 miles (5 000 km), so you can finish your tripand have your full-size tire repaired or replaced where you want.Of course, it's best to replace your spare with a full-size tire as soon as you can. Your spare will last longer and be in good shape in case you need it again. NOTICE: Tire chains won't fit your compact spare. Using them can damage your vehicle.and can damage the chains too. Don't use tire chains onyour compact spare. NOTICE: ' When the compact spare is installed, don'ttake your vehicle through an automatic car wash with guide rails.The compact spare can get caught on the rails. That can damagethe tire and wheel, and maybe other parts of your vehicle. 5-33