How does cruise control work when going down hill?
As others have said, cruise control just controls the throttle, not the brakes. When going downhill you have to apply your brakes, the cruise control won’t slow you down.
What happens when a cruise control switch fails?
If the cruise control switch fails, it will not be able to deactivate the cruise control system when the brake pedal is depressed. This will cause the vehicle to continue to accelerate as the brakes are being applied, which can cause them to overheat and damage the components.
What happens to the cruise control when you step on the brake?
When the brake pedal is stepped on, the cruise control brake release switch is tripped and the cruise control system is then cut off. The switch is designed to disable power to the cruise control system when the brakes are applied to prevent the possibility of attempting to slow the vehicle while the engine is accelerating.
Can a cruise control keep the speed up?
Regular cruise controls are very effective at keeping the speed up to the programmed setting, but they are slow to retard engine power then the speed exceeds that programmed. Unfortunately, there isn’t much that can be done about this.
What would make my cruise control to stop working?
Common Causes of Cruise Control Not Working Cruise Control Switch. The cruise control switch is what you use to set your cruising speed. Brake Light Switch. Normally, you press the brake pedal to turn off cruise control. Blown Fuse. The electrical components of the cruise control system are protected by fuses. Check Engine Warning Light. Vehicle Speed Sensor. Electrical Issues.
What are reasons for not using cruise control?
There are a number of reasons for why cruise control is no longer working as it should. One common explanation is that your vehicle has developed a bad fuse. The cruise control is locked into your car’s electrical system, so if even one fuse stops working, it can prevent you from carrying out basic functions.
How do you troubleshoot cruise control?
The troubleshooting process is normally done by using a scan tool. However, if one is not available, check the following in the given sequence: The cruise control set switch and the connections to it. The cruise control resume switch and the connections to it. The brake light switch and the connections to it.
Why won’t my cruise control work?
Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit. If the fuse is blown or the relay is faulty, the system won’t work.