What should car temperature be at highway speeds?
What should car temperature be at highway speeds? Car temperature drops to a little less than 1/4 at highway speeds. Any reason to be concerned? Car is a Mk1 Golf. Driving around town the temperature behaves normally - it sits at the middle of the gauge, sometimes goes a little higher if I'm sitting in traffic but not much. When do temperature gauges go up after driving? Temperature gauge spikes up after driving for about 5--10... Q: Temperature gauge spikes up after driving for about 5--10 minutes, then returns just as quick to normal. Temperature gauge spikes up after driving...