Rivian is creating software program that may permit its EVs to be free-wheel towed, in keeping with a patent submitting.

Free-wheel towing is when a automobile is towed behind one other car with all 4 wheels on the bottom. It is a widespread observe for RV house owners, who typically tow automobiles behind their motorhomes so that they have a technique to get round after they attain their vacation spot.

Within the patent utility in query, which was revealed by america Patent and Trademark Workplace (USPTO) on Feb. 13 (however filed on Could 12, 2021), Rivian proposes including a software program mode for free-wheel towing to its electrical pickup vans and SUVs, alongside the assorted drive modes and different software-enabled options already accessible.

Free-wheel towing mode would disconnect the motor or motors that usually energy the rear wheels, however maintain the front-axle motor or motors engaged. Torque would nonetheless be utilized to the entrance wheels to maintain the car from rolling out of sync with the tow car. Software program would use a car’s present sensors to measure wheel pace and gradient, making use of torque when needed and reducing it off at a predetermined threshold.

Rivian free-wheel towing patent picture

It is unclear if Rivian will add this characteristic to manufacturing EVs, nevertheless it will not have to attend for a refresh or redesign to do it. Like Tesla, Rivian provides new options by way of over-the-air (OTA) software program updates, such because the Snow mode that joined different drive modes on the R1T and R1S in 2022, or Camp mode, designed to robotically stage automobiles at campsites.

Rivian’s subsequent manufacturing mannequin, the R2, is scheduled to debut on March 7. It is an electrical SUV that is anticipated to be smaller and cheaper than the R1S, however will not enter manufacturing till 2026.