Might have air in the line from running when low. Only 1 reservoir, the rear pump is higher than the WS as a safety feature. Check Lake Cadillac- if it smells like washer fluid the line broke in the body/hatch connector (right side). And :welcome: to the forum
Dabberqueen and Sheepish, I'm sorry you both have been experiencing these aggravations with your windshield washer fluid. Please let me know if you would like me to investigate further for you and check my resources for any helpful details. I'm available via email at [email protected], and including the last eight of your VIN in your message would help my research greatly.
The reservoir under the hood has to handle more that one duty, so it is LARGE. Holds a gallon!!!
BTW......on the topic of this system, can one adjust the aim of the front windshield pair of nozzles mounted on the hood without removing the inside-the-hood insulation? Mine squirt too low, hitting just above the base of the windshield, but I fear the reason is that the nozzles are partially clogged. I gotta drive pretty fast to let the wind get the washer fluid up where I need it.