Good point, Phil. It's a lot easier to reach round the tire with the gun than crawling in there. A great way of picking up an oil level getting dangerously low.
But be careful with those cheapy IR cameras with the laser sight. They will read dangerously low if not used properly. This is because the area of the so-called "spot" seen by the camera gets bigger the further away the object is. If you are looking at a small hot object 10' away with a cool background, the gun will give you the average of the 2' diameter circle it is seeing at that distance, even though the laser dot is right on the hot object. So get as close as you can.
Malcolm
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