This new seating includes molded armrests and cupholders. New standard features included front center seat armrests. New for safety was fully padded armrests and rear door locks that were child proof. New standard features included front and rear (except on convertibles) center seat armrests. Vibrations are sensed at the steering wheel, the seat, armrests, or the floor and pedals. A chair may or may not have armrests; chairs with armrests are termed "armchairs". There are 10,209 of the bigger club seats with chair back and armrests. Beginning in 1978, the plank seating was replaced by individual seats with backs and armrests. Some "Romancecars" are equipped with standard seats featuring armrests. Front-door armrests were redesigned with integral pull bars. This unit is suspended on the seat via two connection points in the armrests. It is used for armrests and chair frames. The backseat armrests contained a full cocktail bar. Elbow rest height is used to determine the height of the armrests. Smartphone-size touchscreens are placed on the door armrests for additional controls.