When should I change my antifreeze? Is it dictated solely by the mileage of my vehicle, or does the passage of time play a significant role in this essential maintenance task? Could certain environmental factors, such as extreme temperatures or driving conditions, necessitate a more frequent change? Furthermore, how do the various types of antifreeze affect the longevity of their effectiveness? Is there a noticeable difference between conventional antifreeze and its more modern counterparts? Should I be vigilant about any peculiarities in my engine’s performance, such as overheating or erratic temperature fluctuations, that might signal a need for replacement? Additionally, what are the telltale signs that my existing antifreeze is becoming compromised and no longer providing optimal protection? Are there industry standards or expert recommendations that can guide my decision-making process? How can I ensure that I am adhering to best practices for both the longevity of my engine and overall vehicular safety?