1998 Cadillac DeVille Owner's Manual - Page 329
1998 Cadillac DeVille Manual
Page 329 highlights
- If you'll be driving at high speeds (e.g., speeds 100 mph of NOTICE: (Continued) (160 k / ) higher), where it is legal, set the cold m hor inflation pressure to the maximum inflation pressure Bad wear shown on thetire sidewall, or to38 psi (265 kpa), Bad handling whichever is lower. See the example below. When you end 0 Bad fuel economy. this high-speed driving, return to the cold inflation pressure shown on the Tire-Loading Information label. If your tires have much air(overinflation), too you can get the following: Example: You'll find maximum load and inflation pressure 0 Unusual wear molded on the tire's sidewall, in small letters, near the Bad handling rim flange. It will read something like this: Maximum Rough ride load 690kg (1521 lbs.) @ 300 Wa (44 psi) Max. Press. Needless damage from road hazards. For this example, would set the inflation pressure you for high-speed driving at 39 psi (265 kPa). When to Check Check your tires once a month more. or NOTICE: Don't forget your compact spare tire. It should be at 60 psi (420 kPa). Don't let anyonetell you that underinflation or overinflation is all right.It's not. If your tires How to Check don't have enough (underinflation), can air you Use a good quality pocket-type gage to check tire get the following: pressure. You can't tell if your tires are properly inflated Too much flexing simply by looking at them. Radial tires may look 0 Too much heat properly inflated even when they're underinflated. 0 Tire overloading Be sure to put the valve caps back on the valve stems. NOTICE: (Continued) by They help prevent leaks keeping out dirt and moisture. 6-42