What to do when adaptive cruise control is not working?
In my A4 Avant the system’s sensor is based on a laser (so is not really a “Radar” that is a “RAdio” Detection And Range). In this case, after the alert “ACC not available” the first thing to do is to clean the lens in front of the car.
What does it mean to have cruise control?
Cruise control is a system to maintain vehicle speed without direct driver input. When you want to engage cruise control, you first turn the system “On” with a button or switch. However, this alone does not start the cruise control.
What does ACC not available mean on Audi?
It also says that ‘ACC not available!’ (ie the same message but with a ! on the end) means a system malfunction, but my message doesn’t have the ‘!’. The only other symptom is that the cruise control light comes up red during the self test at switch on. You know, when all the other lights flash on for a few seconds.
Why is my cruise control light not working?
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. Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit.
When does adaptive cruise control not work properly?
As it turns out, Adaptive Cruise Control performance can be limited in certain scenarios, primarily when the front-facing camera used to gauge the distances between vehicles cannot function at optimal levels. These scenarios include: Additionally, Adaptive Cruise Control may not work properly in the following scenarios:
Cruise control is a system to maintain vehicle speed without direct driver input. When you want to engage cruise control, you first turn the system “On” with a button or switch. However, this alone does not start the cruise control.
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. Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit.
Can a brake light disengage cruise control?
Brake Light Switch – As cruise control is automatically cancelled by depressing the brake, some vehicles may disengage cruise control if it cannot detect the brake light switch. Brake Lights – In some systems, cruise control is disabled when a brake light is blown.