Originally Posted by myzmak
we've noticed over the last couple of 'cold spells' this winter that we occasionally get a 'low coolant' warning. only seems to come on when it is crazy cold. when it warms back up outside, warning goes away.
Anyone else notice this sort of correlation?
Like just about everything else, coolant contracts when cold.
You're probably borderline on your fluid level and when it contracts it reads low.
Instead of using lights and stuff, pop the hood and check the level at the reservoir (when the engine is cold) and see if you need a top up.