The silver side
Park in the shade or a garage.
You would normally use a car sun shade to prevent sun light from irritating your view as a driver. It can also be used to protect small children from the dangerous ultra violet light from the sun.
The windows of the car were tinted to shade the sun.
In cartoons the sun is sometimes drawn with a smiley face on it; but in reality there is no human-like face, or any other sort of face on the sun. The term "the face" of the sun just means that particular side of the sun that we can see from our current position on the earth; the side facing us.
Some reputable sun shade brands include "Britax" and "Altus". They are also manufactured by many car companies such as "Jeep" and "Buick". These shades are useful for keeping one's car cool during the summer.
A person would want to use a car window shade to keep the vehicle from getting too hot. A person would also want to use a car window shade to keep the sun off a child.
The side that faces away from the flashlight or the sun is always the dark side.
the shade in cooler and the sun is warmer.
part sun part shade about 4 hour of sun a day.
sun/partial shade to light shade
Simple, direct, economical language