Subaru 2013 BRZ - Manual (Page 232)

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2-5. Driving information
BRZ_U
Trailer towing
Your vehicle is neither designed nor intended to be used for trailer
towing. Therefore, never tow a trailer with your vehicle.
SUBARU assumes no responsibility for injuries or vehicle damage
that may result from trailer towing, from any trailer towing equip-
ment or from any errors or omissions in the instructions accompa-
nying such equipment. SUBARU warranties do not apply to vehicle
damage or malfunction caused by trailer towing.