Lexus RX350 won't start, no electrical power on Lexus RX350

Some Lexus RX350 owners report experiencing issues with their vehicle not starting and a complete lack of electrical power. Common causes identified include a dead battery, which often prevents the engine from starting and powering electrical components. Additionally, some owners have encountered problems with the alternator, which is crucial for charging the battery while the engine runs. A failed starter can also lead to a no-start condition, resulting in insufficient electrical power. Corrosion on battery terminals has been reported to disrupt electricity flow, further contributing to the issue. Lastly, a dead key fob battery may prevent the vehicle from starting altogether. Owners are advised to check these components to effectively diagnose and resolve the no-start condition.