Toyota 4Runner 2021 Owner's Manual page 188

186
7-1. Rear view monitor system
Symptom
The fixed guide lines
are very far out of
alignment
Likely cause
The camera position is
out of alignment.
 The vehicle is tilted
(there is a heavy load
on the vehicle, tire
pressure is low due to
a tire puncture, etc.)
 The vehicle is used on
an incline.
Solution
Have the vehicle
inspected by your
Toyota dealer.
If this happens due to
these causes, it does
not indicate a malfunc-
tion.
Back up while visually
checking the vehicle's
surroundings.