You can also try shining a high-intensity flashlight through the side of the reservoir, or even down inside it. That can illuminate the coolant, and makes it easier to see its level. Or shake the car ...
The next-generation CAP-300 Series coolant level sensor is designed to perform over long periods of time under the most rugged coolant applications. The sensor requires almost no maintenance; ...
Something I've realized over the past few years poking with a large variety of cars: Nobody has low coolant or low oil sensors! I drove an '88 Mazda RX-7 with both, and they were quite valuable! The ...