Shunt Malfunction Signs. If your child becomes very ill (persistent vomiting, extreme sleepiness, severe headache), seek medical assistance immediately. Call your childâs doctor if you think that your child is having a shunt malfunction based on the symptoms described above. Remember that you may see only one or two warning signs at a time.
Replace the tires at least every 6 years. If you're not sure, the minimum replacement time that is recommended by the NHTSA is six years regardless of use, with 10 years being the maximum service life for tires. Check your owner's manual for specific recommendations related to your car.
How often to wax your car. Smith recommends waxing four times a year, or every three months, to protect the vehicleâs finish. James Carter, owner of highly rated Paradise Mobile Detail in Las Vegas, agrees that a vehicle should be waxed every three months, or a minimum of twice a year.