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kallsop

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Discussion starter · #1 · (Edited)
New Rav4 Hybrid LE, 536 miles. Was on cruise today and it disabled itself with the dash message below. It was light raining, wipers on intermittent. It did not clear, and the left/right buttons were ignored, could not change the display. I think it was toggling between this screen and another error screen, and I thought I had taken a picture of the other screen, but I got two pictures of the same screen. The other screen may have been lane departure alert malfunction? Parked it, came back 8 hours later, error has cleared. Drove through a heavy rainstorm on the drive, cruise worked fine. Hmmm. I hate problems that come and go. Any ideas?

EDIT - I have a XTOOL D7 scanner, will hook it up and see if there are stored errors.


Image
 
#2 ·
From what I understand, the radar cruise control uses the radar sensor under the front Toyota emblem and the camera high up on the windshield. Both of these need to be clear of debris for the system to able to "see".

There is a lot in this video but it does cover how this system works and what can cause it to display that message.

Also, this is not a hybrid only system so other forum RAV4 Gen 5 threads describe this issue and message.

 
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#3 ·
kallsop said:
New Rav4 Hybrid LE, 536 miles. Was on cruise today and it disabled itself with the dash message below. It was light raining, wipers on intermittent. It did not clear, and the left/right buttons were ignored, could not change the display. I think it was toggling between this screen and another error screen, and I thought I had taken a picture of the other screen, but I got two pictures of the same screen. The other screen may have been lane departure alert malfunction? Parked it, came back 8 hours later, error has cleared. Drove through a heavy rainstorm on the drive, cruise worked fine. Hmmm. I hate problems that come and go. Any ideas?

EDIT - I have a XTOOL D7 scanner, will hook it up and see if there are stored errors.


View attachment 183819
Click to expand...
I got that message once when it was sleeting. Covered the front radar sensor with slush. I just stopped, wiped off the slush and the problem went away.
 
#4 ·
I had the same thing happen as FKHeath. You can stop and clean it off, but if you are on the interstate going 70mph and 10 at night, probably not the best idea to stop. You can still use normal cruise control by pressing and hold the "cruise on" button for a few seconds. You will see the cruise icon turn on, but the vehicle silhouette wont be there.
 
#5 ·
juniorkirk said:
I had the same thing happen as FKHeath. You can stop and clean it off, but if you are on the interstate going 70mph and 10 at night, probably not the best idea to stop. You can still use normal cruise control by pressing and hold the "cruise on" button for a few seconds. You will see the cruise icon turn on, but the vehicle silhouette wont be there.
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The pressing and holding of the cruise control button is documented in the op manual. This method allows for you to turn on a conventional non-radar controlled cruise control. Do not expect it to slow you down as you approach another car; it's only maintaining the speed you set (old school style).
 
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#6 ·
JFox562 said:
The pressing and holding of the cruise control button is documented in the op manual. This method allows for you to turn on a conventional non-radar controlled cruise control. Do not expect it to slow you down as you approach another car; it's only maintaining the speed you set (old school style).
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I still see "old school style" as "normal" cruise control. ACC is awesome new cruise control in my book. I've had my RAV for 2 1/2 years now, and by far my absolute favorite feature is the ACC.
 
#8 ·
Had the exact same thing happen in some wintry mix sort of snow/slush - none of it was sticking to the highway, but it sure accumulated on the front of the car. Radar Unavailable! After I stopped and cleared it off, everything worked normally. Nothing to worry about
 
#9 · (Edited)
Happened to wife's XLE H once last winter. Had freezing rain previous night and suspect sensor was glazed over. Similar thing happened to a Honda Ridgeline I was driving. A vehicle splashed me while traveling in opposite direction and kicked off cruise control. Would not reset until stopped and restarted vehicle. A bit unnerving first time it happens as dash lights up and car looses power.
 
#12 ·
juniorkirk said:
I had the same thing happen as FKHeath. You can stop and clean it off, but if you are on the interstate going 70mph and 10 at night, probably not the best idea to stop. You can still use normal cruise control by pressing and hold the "cruise on" button for a few seconds. You will see the cruise icon turn on, but the vehicle silhouette wont be there.
Click to expand...
Interesting, I tried to use this method, of holding down the cruise button for a few seconds, but it didn't work for some reason?
 
#13 ·
juniorkirk said:
You can still use normal cruise control by pressing and hold the "cruise on" button for a few seconds.
Click to expand...
dj1 said:
Interesting, I tried to use this method, of holding down the cruise button for a few seconds, but it didn't work for some reason?
Click to expand...
The cruise control system must be off before you can activate the constant speed control, i.e. you have to turn it off before you press and hold the cruise on button.
 
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