It does not exist.
try checking the battery
5w30 for cold weather and 10w30 or 10w40 for hot weather.
look for information sticker on battery where the c.c.a. {cold cranking amps} will be listed.
it shrinks when it gets cold and it expands when it gets waarm
probably air in the system have you replaced the rad or hoses?
the book shows 10w-30 in cold weather 5w-30
13.5-14.5 when running.
Uranus's weather is cold
Hot weather
In cold weather 5W30, 10W30 for warmer weather and make sure that It has the API badge saying it meets current SM standards.
Yes, you experience or feel cold weather
Yes they can survive in cold weather.