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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #1
This happened two times. After putting the car in drive and starting off, I felt a strong vibration that felt like a brake pad or something was grabbing. Parking brake was off. I tried to replicate it after but it only occurred after the car sat for a few hours each time. Time will tell....

I'll try again tomorrow. No codes were set off.

4,300 miles.
 

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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #2
Wasn't able to replicate it this morning. Weird.
 

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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #4 (Edited)
I have a feeling the parking brake didn't fully disengage. If it was the trans, I would think it would drive weird while driving normally. This only occurred 2x and it was right after I started to accelerate then it went away. Never happened again while driving.
 

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Were you light on the throttle? Do you have cylinder deactivation?

I've had it activate at about 20kmh and it shudders the car. Did it dissapear as you gave it more gas?
 

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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #6
I don't have CD. It never did it again. One time fluke? I have a feeling it was related to the calipers.
 

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cx 30 awd premium
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Were you light on the throttle? Do you have cylinder deactivation?

I've had it activate at about 20kmh and it shudders the car. Did it dissapear as you gave it more gas?
What do you mean by shudders like a vibration?. Does it still occur or you got it fixed
 

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Stupid question but just to be sure, did you drive in the rain or washed your car the day before parking it?
 

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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #9
Stupid question but just to be sure, did you drive in the rain or washed your car the day before parking it?
No but it had rained prior to this happening. Never happened again.
 

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This happened two times. After putting the car in drive and starting off, I felt a strong vibration that felt like a brake pad or something was grabbing. Parking brake was off. I tried to replicate it after but it only occurred after the car sat for a few hours each time. Time will tell....

I'll try again tomorrow. No codes were set off.

4,300 miles.
Interesting I just had something similar happen with mine unrelated to CD. Dunno what it is. I was using auto hold feature, so I wonder if it's related to the e-brake
 

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2020 AWD Select Machine Gray Metallic Mobil 1 0w20
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Discussion Starter #11
That's a good guess. Could be.
 

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2020 CX30 G25 Astina 2.5Lt AWD
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I have experienced similar in this car and my previous CX5 where I pressed the park button to release parking brake and then tried to drive off too soon. As in button then pedal almost straight after. I put it down to the electric brake needing a moment to fully disengage. Now I give it a second before hitting the gas and it doesn’t happen.

Could this be your issue?
 

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2020 Mazda CX30 Soul Red Select AWD
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Do you know what Autohold uses to keep the vehicle in place?
It keeps the breaks applied. If it used the parking brake... you would hear it engage every time you stoped. The light would also come on the dash.

If you look at the brake master cylinder you will see how it functions.
 

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2021 CX-30 GT AWD - Machine Grey Metallic
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It keeps the breaks applied. If it used the parking brake it... you would hear it engage every time you stoped. The light would also come on the dash.

If you look at the brake master cylinder you will see how it functions.
By applying the brakes (rather than using the parking brake) to hold you it also lights up the brake lights in back, which you want so folks behind you know you're stopped.
 

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AWD GT CX-30 ceramic coated
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By applying the brakes (rather than using the parking brake) to hold you it also lights up the brake lights in back, which you want so folks behind you know your stopped.
Lol and here like a dumb ass I was going to attach a go pro or something to the back to see if the brake lights do come on with the auto hold feature 😂 well good to know they do .. never had d a vehicle with all these features before lol heated seats and heated steering wheel was a huge upgrade to me on my last vehicle lol.
 

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CX30 2020 Premium Jet Black Mica
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I wasn't sure isr the brake lights came on either, but I figured they probably did.
 
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