CIVIL AIR PATROL National Headquarters, Maxwell AFB AL 36112-5572 4-2008 PPT 217-S.40 CAP SENIOR SAFETY COURSE  Tires must be inflated to the pressure recommended by the vehicle manufacturer  The pressure printed on the tires is the maximum allowable, not the best pressure for the particular vehicle  Under-inflated tires (low tire pressure) is one of the greatest factors in causing a rollover  Hydroplaning risks increase exponentially with low tire pressures.
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