Common questions

How does a cruise control system work in a car?

How does a cruise control system work in a car?

This system calculated ground speed based on driveshaft rotations off the rotating speedometer-cable, and used a bi-directional screw-drive electric motor to vary throttle position as needed. It was Cadillac Division that re-named the “Speedostat” and marketed the device as “Cruise Control.”

What does it mean to have adaptive cruise control?

Modern “adaptive” systems (see below) include the ability to automatically reduce speed when the distance to a car in front, or the speed limit, decreases. This is an advantage for those driving in unfamiliar areas.

What does cruise control on Citroen Xsara mean?

Cruise control on Citroën Xsara. Cruise control (sometimes known as speed control or autocruise, or tempomat in some countries) is a system that automatically controls the speed of a motor vehicle.

Where did the idea of cruise control come from?

The technology was adopted by James Watt and Matthew Boulton in 1788 to control steam engines, but the use of governors dates at least back to the 17th century. On an engine, the governor uses centrifugal force to adjust throttle position as the speed of the engine changes with different loads (e.g. when going up a hill).

Why is the automatic door lock not working?

The automatic door lock is not working as of this morning and neither is the cruise control. Any ideas? The entire electrical system conked out 2 weeks ago and a new battery was installed by a Chevy dealer.

Where can I buy Rostra cruise control products?

Rostra sells its products through an extensive distribution network that includes Original Equipment Manufacturers, expeditors, mass merchandisers, regional mobile electronics chains and independent specialists both domestic and internationally.

Can you lock and unlock a Mercedes Benz without a key?

KEYLESS-GO lets you lock and unlock your car without the key leaving your pocket. With KEYLESS-GO®, you can lock and unlock and your Mercedes-Benz with a tap of any door handle, without taking its key from your pocket or purse. KEYLESS-GO also makes it easy to start the car, and virtually impossible to lock your key in it.

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Ruth Doyle