My brothers are in the San Diego County Estates area (two houses) just NE of Ramona. The drive is long (up past Mount Woodson past Poway), but the property prices are much more reasonable (and thus property tax and insurance is less), the scenery is good, and there is ready access to the...
This is by far the best advice. Why pay now if you can pay later (or perhaps not at all)? The money you save can be used for anything and it will grow over time. You might ram the Jeep into a tree and then the money paid for the warranty is totally lost.
It seems that you may have a wiring issue. Perhaps a poor (intermittent high resistance) connection, or even critter issues (mouse chews). This could lead to a reduced reading from the dash since the dash electronics, and other Jeep electronics, draws current while it is on and the damaged...
I have deep concerns about our collective future when someone with so much experience and skills gleaned from 30 years+ at the big 3 finds a need to come to this forum to find answers. 😕
Someone is seeking views by drumming up excitement. From the provided map, the flooding is clearly not "nationwide". Texas looks like the only significant hot spot.