


Why Doesn't the Cruise Control Work on my Subaru? | Mike Shaw Subaru Maintenance FAQs

Whether you've got a long commute or a big highway journey ahead of you, cruise control can save you from foot fatigue and help you relax on a lengthy drive. If it's not working, the car is still totally safe to drive - but even just knowing your cruise control is busted can be frustrating. On this page, the experts at Mike Shaw Subaru have compiled some common reasons your cruise control may have stopped working. To get a long-term repair, we always recommend visiting the service center at your nearest authorized Subaru dealer.


What Causes the Cruise Control to Fail in a Modern Car?
Modern cruise control systems use an electronic system to operate the throttle directly - but older vehicles have purely mechanical or vacuum-actuated systems. We'll focus on electronic cruise controls in this article. If you've got an older or late-model Subaru, you can call your local Subaru dealership to ask about what kind of cruise control system your vehicle is equipped with.
The first step is to check the cruise control fuse. Consult your owner's manual to find the fuse box diagram, and locate the fuse connected to the cruise control system. If it's blown, you could try replacing the fuse and testing the cruise control. That could be enough to have you cruising in comfort once again!
If not, it could be because of a faulty speed sensor. If your speedometer is also acting up, this is a likely culprit. You'll also want to check your brake pedal switch. When the brake pedal is depressed, this switch activates the brake lights - but it also turns off cruise control. If there's anything wrong with that switch, the cruise control won't activate. Finally, since cruise control is an electrical system in a modern car, any wiring or electrical problems outside the fuse box can cause your cruise control to stop working. For most amateurs, the easiest solution to such an issue is to visit the service center at your local Subaru dealership.
What if I Have Subaru EyeSight® or Adaptive Cruise Control?
Today's ultra-modern cruise control systems can not only maintain a set speed, they can react to cars in front of you, and adjust your speed to keep a safe following distance. Subaru EyeSight® accomplishes this through a pair of cameras mounted inside the passenger cabin, just behind the rear view mirror. This system needs to be properly calibrated to work correctly. Even replacing the front windshield means bringing your vehicle to a local Subaru dealer to have the EyeSight® system recalibrated. Or, if the electronic system for any reason cannot communicate with the throttle or brakes, the adaptive cruise control system will stop working.
No matter what kind of cruise control technology your Subaru is equipped with, the talented techs at Mike Shaw Subaru in Thornton will be able to fix yours! Visit us today, or call our service center if you have any more cruise control questions.
Mike Shaw Subaru
1650 W 104th Avenue
Thornton, CO 80234
- Sales: 720-724-9280
- Service: 720-724-9280
- Parts: 720-724-9280