is the coolant resivour suppose to be half full when the car if off? on 2007 Land Rover Range Rover

my temp gauge went towards the red but didnt overheat. what could have cause this problem all of a sudden?

by in Houston, TX on August 07, 2012
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1 answer
ANSWER by , August 08, 2012
yes it should be 1/2 full ck the rad to see if its low, at times the overflow will show fluid but the system could be low