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Bobby MSME posted a topic in Chevy Spark 2007-2015 (Gen III)I miss the built in coolant temperature display available in my previous car, a Pontiac G5. The engine coolant temperature tells you a lot if engine is running normally. It tell you if the cooling system is performing normal, if you need new coolant or flush. It is like your body temperature. If it is above normal, you have a fever and something is wrong. If it is much below normal, you are suffering hypothermia. Now that I have a OBDII scanner and the Torq software on my smart phone, I can monitor temperature in the Spark. I am new owner, so do not yet know what the normal cruising coolant temp should be. My reading is usually 92 C. I do not know if that is high or low or normal, because the car is new. My previous car, Pontiac G5 had built in access to temperature on the display screen. I knew immediately if coolant level was low or when is stuck in bad traffic, I should turn the heater on to cool the engine down a little. Over 9+ years of driving the G5 I knew exactly what the temp should be based on up slope or cruising. The temp was always close to 189 F = 87.2 C when cruising. Stuck in traffic it jacked up as high as 220 F.