11. The steering wheel, control knobs and switches were in black plastic instead of beige. 12. This configuration did not have a true tone control knob . 13. Most scooters come with a speed control knob that keeps leadfoots out of danger. 14. It matches what the control knobs etc actually do. 15. Volvo also has done away with its unique one master-control knob for the sound system. 16. Someone was doing some cleaning or something and the control knob was pushed to the max. 17. Only a starter button and a control knob on the center console operate hundreds of functions. 18. Some globes have a control knob that varies the amount of power going to the center electrode. 19. The guitars also featured unique switching options, having up to seven control knobs for a single-neck guitar. 20. An illuminated control knob selects different tunings.
