Subaru Forester: Connecting a trailer / Side mirrors

After hitching a trailer to your vehicle,
check that the standard side mirrors
provide a good rearward field of view
without significant blind spots. If significant
blind spots occur with the vehicle’s standard
side mirrors, use towing mirrors that
conform with Federal, state/province and/
or other applicable regulations.
CAUTION
Direct splicing or other improper
connection of trailer lights may
damage your vehicle’s electrical
system and cause a malfunction of
your vehicle’s lighting system...
Other information:
The Reverse Parking Collision-Avoidance Assist feature in your Kia Telluride is engineered to offer supplemental safety support, but certain specific conditions can prevent it from triggering warnings or initiating emergency braking. System performance may be limited, delayed, or entirely suspended under the following circumstances, even if pedestrians, vehicles, or physical objects are detected directly behind your vehicle:
Vehicle-related issues, mechanical modifications, or physical damage:
Installing any non-factory equipment, aftermarket accessories, or structural modifications that interfere with sensor sightlines...
Low aspect ratio tires (defined as tires with a profile aspect ratio lower than 50) are featured on select trim levels to deliver a low-profile stance and sporty appearance for your Kia Telluride.
Because low aspect ratio tires feature shorter, stiffer sidewalls optimized primarily for crisp steering response, cornering grip, and firm braking, overall ride comfort over rough pavement may feel firmer, and road noise levels inside the cabin may be higher than on standard tire configurations...