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Parking brake delay

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Old Dec 26, 2018 | 01:31 PM
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Default Parking brake delay
Does anyone out there know why it takes a full 2 1/2 seconds for the parking brake to engage after you press the park button? This is highly annoying when I stop (on a hill) to jump out and get the mail out of the mailbox on the way home. Surely there is a fix for this somewhere.
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Old Dec 26, 2018 | 01:44 PM
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More than likely because it is electronic and is clamping. also most car companies electronic brake is about this fast. BMW and Mercedes and Audi both engage that slow.
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Old Dec 26, 2018 | 03:11 PM
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Originally Posted by dsc07
Does anyone out there know why it takes a full 2 1/2 seconds for the parking brake to engage after you press the park button? This is highly annoying when I stop (on a hill) to jump out and get the mail out of the mailbox on the way home. Surely there is a fix for this somewhere.
Mine doesn't seem to take this long. I would say around 1 second after I press P.
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Old Dec 26, 2018 | 04:20 PM
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Originally Posted by bigblack06
More than likely because it is electronic and is clamping. also most car companies electronic brake is about this fast. BMW and Mercedes and Audi both engage that slow.
Neither my 460L or 430 did it.
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Old Dec 26, 2018 | 05:26 PM
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Originally Posted by dsc07
Neither my 460L or 430 did it.
You might want to get it checked. My 500 does it in the same time as the 460.
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Old Dec 27, 2018 | 03:32 AM
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Originally Posted by dsc07
Neither my 460L or 430 did it.
I currently have a RX loaner 2018 with 4K miles and it takes about 1 1/2 seconds to engage. Maybe you could be right, bring it in and see what they say.
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Old Jul 9, 2019 | 10:43 AM
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Someone out there do me a favor and grab a stopwatch and time how long it takes from pushing the park button until the parking break actually engages. Mine averages 2.75 seconds, which is ridiculous. Thanks
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Old Jul 9, 2019 | 03:59 PM
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I tend to just wait an extra moment before taking my foot off the brake so the parking brake has a chance to engage.
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Old Jul 10, 2019 | 03:17 AM
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Originally Posted by dsc07
Someone out there do me a favor and grab a stopwatch and time how long it takes from pushing the park button until the parking break actually engages. Mine averages 2.75 seconds, which is ridiculous. Thanks
I will check once I'm off work and get to the garage, unless someone beats me to it.
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Old Jul 10, 2019 | 01:09 PM
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Originally Posted by dsc07
Someone out there do me a favor and grab a stopwatch and time how long it takes from pushing the park button until the parking break actually engages. Mine averages 2.75 seconds, which is ridiculous. Thanks
Used a stopwatch and got around 1-1 1/2 second before it was engaged. I did find that if I backed in and rushed by pulling my foot off brake right after pressing the parking brake it took a little longer but never got to 2 secs or more.
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Old Jul 12, 2019 | 06:55 AM
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On my GS350 the parking brake would engage instantly, and I had it set to auto. The problem was the suspension would squeak when I steeped out. I asked the dealer and they said it engages so fast that the suspension is still compressed and with the wheels locked nothing can move properly so it created a squeak. When I got the LS, the first think I noticed was no squeak, but now the slight delay annoys me because the car will move a little if I don't wait a second to release the brake.
Last edited by hacker_720; Jul 16, 2019 at 11:23 AM.
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