Why is it important to check for signs of animal nesting in engine compartments?

Checking for signs of animal nesting in engine compartments is crucial because nests can lead to severe electrical issues and obstruct air vents, which are essential for the vehicle's operation. Animals often use materials like leaves, twigs, and plastic to create their nests. If these materials come into contact with electrical wiring, they can cause short circuits or other electrical failures, potentially leading to costly repairs and unsafe driving conditions. Additionally, if nesting materials block cooling or ventilation paths, it can cause engine overheating or other mechanical failures. Regular inspection of engine compartments helps ensure that these potential hazards are identified and addressed promptly, maintaining the vehicle's safety and reliability.