<p>Start by visually inspecting the battery cables and connections. Look for corrosion or looseness. Next??? check the serpentine belt for wear or damage. If everything looks okay??? have the alternator tested by a professional. A simple voltage test can reveal a lot.</p>
<li>Speed Rating: This letter indicates the maximum speed a tire is designed to handle. Choose a tire with a speed rating that matches or exceeds your vehicle's top speed.</li>