How full are we supposed to fill the coolant reservoir? I know this seems like a stupid question, but my car came with no books......Thanks......Mike

 

in the resivor it should come up to the bottom of the opening of the tank. That is what I was told, that is where mine stays, never have had a low coolant light.

 

As long as you fill it above the low coolant level it just doesn't matter. Fill it to overflowing and the pressure reservoir, the pressure cap and the open to the atmosphere reservoir will regulate it to where it should be.

Your owners manual and the Jaguar complete service manual is at the top of this forum.

 

https://www.jaguarforums.com/forum/x...006-faq-67827/