QP S (PARK OFF BUTTON)

ChrisQP09 · Dec 5, 2019

I've never used this button but I decided to give it a go. So after starting the car in (P), I pressed 'Park off' and nothing happened I was expecting the handbrake to release? What is the purpose of this button?

Ebenezer · Dec 5, 2019

With the car stopped, but the engine still running, press and hold the park off button until you get the "park off" message on the dash screen. Then turn off the car. The parking brake will not have been engaged. Not instructing the car to "Park off" by pressing and holding the park of button, the parking brake will automatically engage when you turn off the iginition. If your brakes are wet and you are leaving it for a while it could contribute to the parking brake binding and then then shattering when trying to start moving, leading to unpleasant bills...
Ask me how I know!
Eb

Gazcw · Dec 5, 2019

Use it all the time when parked up unless out and about or parked on a hill. Always off when in garage.

Gazcw · Dec 5, 2019

And on/off is what the lever on the tunnel is for unless using auto.

ChrisQP09 · Dec 5, 2019

Ebenezer said:
With the car stopped, but the engine still running, press and hold the park off button until you get the "park off" message on the dash screen. Then turn off the car. The parking brake will not have been engaged. Not instructing the car to "Park off" by pressing and holding the park of button, the parking brake will automatically engage when you turn off the iginition. If your brakes are wet and you are leaving it for a while it could contribute to the parking brake binding and then then shattering when trying to start moving, leading to unpleasant bills...
Ask me how I know!
Eb

Ok so before getting out of the car, put gear into P then press park off until I get a dash reading and then engine off? The one exception to this is when parked on a hill?

CatmanV2 · Dec 5, 2019

ChrisQP09 said:
Ok so before getting out of the car, put gear into P then press park off until I get a dash reading and then engine off? The one exception to this is when parked on a hill?

Correct, although I'd not bother even on a hill. It's in Park there's a sodding great pawl locking the transmission....

C

Gazcw · Dec 5, 2019

CatmanV2 said:
Correct, although I'd not bother even on a hill. It's in Park there's a sodding great pawl locking the transmission....

C

Unless with my luck it breaks!!! Not even sure my shoes work as I never adjusted them when I replaced them. I will let the friendly mot garage know for next March.

Gazcw · Dec 5, 2019

The annoying rattle was the adjusters I think. Since I wound them right back not heard a thing since or could have been the shoes! Who knows.

ChrisQP09 · Dec 5, 2019

CatmanV2 said:
Correct, although I'd not bother even on a hill. It's in Park there's a sodding great pawl locking the transmission....

C

Ok awesome little tip I shall use from here on out. Thanks

CatmanV2 · Dec 5, 2019

Gazcw said:
Unless with my luck it breaks!!! Not even sure my shoes work as I never adjusted them when I replaced them. I will let the friendly mot garage know for next March.

If there's enough force to sheer the pawl, the EPB won't have a hope in ****

ChrisQP09 said:
Ok awesome little tip I shall use from here on out. Thanks

I genuinely don't understand why Automatics have 'handbrakes' unless it's in case of transmission failure of some kind, but anyway.

I'd advise that you let it go on and off occasionally, especially if you're using the car in the wet. You don't want to come to an MOT and find it won't engage because it's corroded. Cos they will test it....

C

ChrisQP09 · Dec 5, 2019

CatmanV2 said:
If there's enough force to sheer the pawl, the EPB won't have a hope in ****

I genuinely don't understand why Automatics have 'handbrakes' unless it's in case of transmission failure of some kind, but anyway.

I'd advise that you let it go on and off occasionally, especially if you're using the car in the wet. You don't want to come to an MOT and find it won't engage because it's corroded. Cos they will test it....

C

I will alternate between the 'park off' method and the general auto handbrake.

Wanderer · Dec 5, 2019

CatmanV2 said:
If there's enough force to sheer the pawl, the EPB won't have a hope in ****

I genuinely don't understand why Automatics have 'handbrakes' unless it's in case of transmission failure of some kind, but anyway.

I'd advise that you let it go on and off occasionally, especially if you're using the car in the wet. You don't want to come to an MOT and find it won't engage because it's corroded. Cos they will test it....

C

Isn't the handbrake actually the emergency brake, ie a secondary in case of primary brake failure?

The auto translocking pawl is no use as an emergency brake, it's surely break off and maybe break something else too.

CatmanV2 · Dec 5, 2019

Wanderer said:
Isn't the handbrake actually the emergency brake, ie a secondary in case of primary brake failure?

The auto translocking pawl is no use as an emergency brake, it's surely break off and maybe break something else too.

'Electronic parking brake'

Pretty sure it won't even engage if you're moving. It does, after all, disengage automatically, when you move off.....

Have you ever tried to slow a car with a handbrake, BTW?

C

Gazcw · Dec 5, 2019

CatmanV2 said:
'Electronic parking brake'

Pretty sure it won't even engage if you're moving. It does, after all, disengage automatically, when you move off.....

Have you ever tried to slow a car with a handbrake, BTW?

C

Yeah most annoying. No more hand brake turns into the driveway.

Wanderer · Dec 5, 2019

CatmanV2 said:
'Electronic parking brake'

Pretty sure it won't even engage if you're moving. It does, after all, disengage automatically, when you move off.....

Have you ever tried to slow a car with a handbrake, BTW?

C

I regularly drive off in the QP DS with the handbrake on and never even noticed!!!

I thought cars had to have an emergency brake legally, and MOT tested. Just asking my MOT tester who is a friend on FB too!

Wagons-Lits · Dec 5, 2019

Gazcw said:
Yeah most annoying. No more hand brake turns into the driveway.

I might be imagining it but pretty sure the manual talks about deploying it in an emergency situation - although heaven knows what would happen giving that using it whilst stationary can kill it

Wanderer · Dec 5, 2019

Wagons-Lits said:
I might be imagining it but pretty sure the manual talks about deploying it in an emergency situation - although heaven knows what would happen giving that using it whilst stationary can kill it

TRW EPB MOT Test - Part Info

Imagine needing the emergency brake in a full-auto QP, and having to get the manual out to find out how to apply it....

Gazcw · Dec 5, 2019

Wagons-Lits said:
I might be imagining it but pretty sure the manual talks about deploying it in an emergency situation - although heaven knows what would happen giving that using it whilst stationary can kill it

Not sure. I have tried it in company cars at low speed and they definitely do not work until at very low speed <5mph and then they come on with a bang. Cannot be good for them.

Wagons-Lits · Dec 5, 2019

Gazcw said:
Not sure. I have tried it in company cars at low speed and they definitely do not work until at very low speed <5mph and then they come on with a bang. Cannot be good for them.

from the QP User Manual:

" Pressing the EBP button while driving will cause the vehicle to slow down with a sharp deceleration (Dynamic Braking). We therefore recommend that you use the feature only in the event of an emergency. In any case, vehicle stability is ensured by the MSP system, which is always active".

So no handbrake turns, but for those QPs with the e-handbrake you can use it in an emergency.

Zep · Dec 5, 2019

I was told by a friend that if you pull the epb in a VW it goes into a full on emergency stop, braking all 4 wheels. He tried it apparently.

QP S (PARK OFF BUTTON)

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