Put hand in pocket
take phone out of pocket
turn on phone
enter code to unlock phone
shift thru apps to locate remote start app
run app
press start on app
vs
put key in ignition
turn key
(no need to get keys from pocket since they are already in your hands when you opened the door)
Not very convenient , plus i have never once "warmed up my car" , i turn it on and go, i have never had any issues with just going when cold