When is it dangerous to use cruise control?
“Do not use cruise control in heavy traffic, on winding roads or when the road surface is slippery,” states the 2015 Ford Expedition owner’s manual. “This could result in loss of vehicle control, serious injury or death.”
Why do you need cruise control when towing?
“All the dynamics of driving change dramatically when you’re towing something, so they want the driver to be completely in control,” Elder said. And, if you’re towing on steep hills, the cruise control could make the engine work harder uphill than it would if your foot was on the pedal.
Is it dangerous to use cruise control on hills or curves?
The danger with relying on cruise control when going downhill or approaching curves is that you could lose control entirely, manufacturers say. “Do not use cruise control in heavy traffic, on winding roads or when the road surface is slippery,” states the 2015 Ford Expedition owner’s manual.
What do you do if your Cruise Control is not working?
You can increase or decrease cruise speed by tapping a button or lever, and you can cancel cruise control by hitting the “Cancel” or “Off” buttons or stepping on the brake. This electronically-controlled throttle body is modulated directly by the engine control module, both for direct driver input and cruise control.
Why do you need a CVT in a Subaru?
Subaru pairs the Boxer engine with the CVT automatic for its fuel-saving capabilities. The CVT uses a step-less gear ratio that allows the engine to run in its optimal power range, no matter what speed you maintain, for improved fuel economy and performance.
How does a cruise control system work in a car?
Early systems used a vacuum motor and cable, but these eventually changed over to electric motors. Most recently, with the development of drive-by-wire or electronic throttle control systems (ETCS), cruise control is built into the engine control module (ECM), which controls the throttle body electronically.
Why does cruise control not work when brake light is blown?
Brake Lights – In some systems, cruise control is disabled when a brake light is blown. Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs.