Inspect and replace worn or cracked belts as well as worn, cracked, blistered, or soft hoses. Check the air conditioning system for leaks, and have it serviced using the refrigerant CFC-12 in older systems or HFC134a in new or modified air conditioners. Do not use substitute refrigerants. It is also important to know that battery performance is compromised by extremes in temperature, whether hot or cold, so old or weak batteries should be tested and replaced if necessary. A cellular telephone or a citizens band radio can be used to summon help.
Company refines process for recycling motor oil.