Find Hyundai Santa Fe Electrical Relays & Hyundai Santa Fe Automotive Relays. Explore Hyundai Santa Fe Control Relays. Buy Hyundai Santa Fe Automotive Relays. Consistent relay maintenance in your Hyundai Santa Fe is crucial for ensuring the seamless function of electrical systems. To enhance longevity, keep relays clean and dry, and look out for signs of wear such as erratic operation or a burnt smell, signaling the need for replacement. When selecting a new relay, opt for one that matches your Santa Fe's specifications, considering amperage and voltage requirements. Premium relays offer superior corrosion resistance and durability, making them a wise investment. For DIY enthusiasts, remember to disconnect the battery before attempting installation to ensure safety and prevent short-circuiting.