Visual Inspection And Diagnostic Pre-Checks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2021 Lincoln Corsair, 2021 Lincoln Aviator, 2021 Ford Transit-350 HD, 2021 Ford Transit-350, and 2021 Ford Transit-250. However, it is still accessible from the selected car via links, so may be relevant.

Make sure the vehicle battery terminals and cables are free of any corrosion and other contaminants.
Make sure the vehicle battery terminals are tightened to their correct torque specifications.