Mazda 6 Manual page 286

When Driving
Rear View Monitor
When there is a steep grade behind the vehicle
When there is a steep upgrade (downgrade) behind the vehicle, the object displayed on the
screen appears farther (downgrade: closer) than the actual distance.
Object at actual position
A: Distance between the vehicle and object displayed on the screen.
B: Actual distance between the vehicle and object.
4-162
Appears
farther than
actual
distance
Object on screen
Object on screen
Object at actual
position
Appears
closer than
actual
distance