Cadillac 1999 DeVille Owner's Manual page 313

CAUTION: (Continued)
D
Underinflated tires pose the same danger as
overloaded tires. The resulting accident
could cause serious injury. Check all tires
frequently to maintain the recommended
pressure. Tire pressure should be checked
when your tires are cold.
D
Overinflated tires are more likely to be cut,
punctured or broken by a sudden
--
impact such as when you hit a pothole.
Keep tires at the recommended pressure.
D
Worn, old tires can cause accidents. If your
tread is badly worn, or if your tires have
been damaged, replace them.
--
See "Inflation Tire Pressure" in this section
for inflation pressure adjustment for higher
speed driving.
Inflation -- Tire Pressure
-
The Tire Loading Information label, which is located on
the rear edge of the driver's door, shows the correct
inflation pressures for your tires when they're cold.
"Cold" means your vehicle has been sitting for at least
three hours or driven no more than 1 mile (1.6 km).
If you'll be driving at high speeds (e.g., speeds of
100 mph (160 km/h) or higher), where it is legal, set
the cold inflation pressure to the maximum inflation
pressure shown on the tire sidewall, or to 38 psi
(265 kPa), whichever is lower. See the example below.
-
When you end this high speed driving, return to the cold
inflation pressure shown on the Tire
Information label.
yellowblue
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