Mazda 3 Sedan 2020 Owner's Manual page 389

When parking in a space with a division line on only one side of the parking space,

the division line and the vehicle width guide line appear aligned in the monitor,
but they may not actually be aligned on the ground.
▼ Variance Between Actual Road Conditions and Displayed Image
Some variance occurs between the actual road and the displayed road. Such
variance in distance perspective could lead to an accident. Note the following
conditions that may cause a variance in distance perspective.
When the vehicle is tilted due to the weight of passengers and load
When the vehicle rear is lowered, the object displayed on the screen appears farther
than the actual distance.
1. Object
2. Variance
3. Object on screen
Rear View Monitor
When Driving
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