Push button keyless start systems began appearing on several import cars about six years ago, and are now being offered on more and more new vehicles, both import and domestic. Motorists say they like the push button keyless start systems because they are convenient to use. Thereâs no ignition key or switch to fumble with, and you donât have to do anything other than have the smart fob in your pocket or purse when you get in the car.
The most frequent cause of brown edges on hosta leaves is drought stress. Hostas grow best in soil that remains evenly moist. The leaves usually begin to droop or wilt before the problem becomes severe enough to cause browning.
Other less common conditions that can cause dark brown to black spots include: 1  Riehl melanosis: brown pigment condition on the neck and face. 2  Poikiloderma of Civattea: dry and scaly patches on the neck and face. 3  Erythromelanosisfollicularis. 4  Lineafusca: long skin markings.