Seeking your ideas: Tips for new posters

Please, please, please include a statement like the following:

There are many questions that are asked here repeatedly even though they’ve been discussed and answered in great detail already. Please use the search function and read the existing discussions before asking a question about buying an extended warranty, using regular gas in place of premium, coasting in neutral in an attempt to save gas, inflating tires to the maximum pressure printed on the tires, or installing add-on gizmos that claim to save gas.

I’m sure the regulars can add a few more items to that list that I’m forgetting.