Speed limitations are imposed when the total backrest angle is greater than 155 degrees or when the seat is tilted forward more than 5 degrees. Drive is inhibited at 40 degrees of tilt for 17.5” seat heights and user weights less than 220 lb. For taller seat heights and user weights greater than 220 lb, drive inhibit occurs at 35 degrees of tilt. Caution should be exercised when driving in tilted and reclined positions including on ramps, uneven surfaces or non-level terrain.