2003 Nissan Murano Owner's Manual - Page 182

For models equipped with the low tire pressure warning system: After adjusting tire pressure to the COLD tire pressure, the display of the tire pressure information may show higher pressure than the COLD tire pressure after the vehicle has been driven more than 1 mile (1.6 km). This is because the tire pressurizes as the tire temperature rises. This does not indicate a system malfunction. spare tire are designed for emergency use. See "Wheels and tires" in the "8. Maintenance and do-ityourself" section. WARNING Retighten the wheel nuts when the vehicle has been driven for 600 miles (1,000 km) (also in cases of a flat tire, etc.). SCE0436 Stowing the damaged tire and tools Securely store the spare tire and jacking equipment in the vehicle. WARNING ¼ Always make sure that the spare tire and jacking equipment are properly secured after use. Such items can become dangerous projectiles in an accident or sudden stop. ¼ The T-type spare tire and small size In case of emergency 6-7