Preventing battery drain is essential for ensuring that your car starts reliably and you don't end up stranded with a dead battery. One of the primary culprits of battery drain is leaving lights or accessories on when the engine is off. Always double-check that all lights are turned off and accessories are unplugged when you park your car. Extreme temperatures, especially in hot climates, can also strain the battery. To prevent overheating, ensure proper ventilation under the hood and park in the shade whenever possible. Regularly inspect and clean your battery terminals and cables to maintain a strong electrical connection. Corrosion has the potential to interrupt the electrical flow and result in battery discharge. Additionally, avoid frequent short trips, which don't allow the battery to fully recharge. If you're not driving often, consider using a battery maintainer to keep the battery charged.