Nissan Sentra 2021 won't start, dealer unresponsive for assistance on Nissan Sentra

Some 2021 Nissan Sentra owners report experiencing starting issues due to several common causes, including a dead or weak battery, which can prevent the engine from cranking. Others have noted problems related to a faulty alternator or corrosion on battery terminals that hinder normal starting operations. Additionally, some owners find that a dead key fob battery, a clogged fuel filter, or a broken starter can also contribute to these starting difficulties. Other reported issues include blown fuses, an empty gas tank, immobilizer errors, and faults in the electrical system. In cases where the dealer is unresponsive, owners are advised to check the battery condition, clean any corrosion on the terminals, verify the key fob battery, and ensure the gas tank is not empty. If the problem persists, consulting a qualified mechanic for further diagnosis and repair is recommended.