Rust on brake discs

[Lord Voltermore]

You shouldnt coast in neutral. There is no need  ....

What makes you think this?

Coasting is one of the favourite methods of "normal" automatic gears (they do it without you being aware of it).
So: What's good for the goose...

To clarify. I specifically mean  rolling down hill with the selector in N  (not just D or B with no throttle, which is normal. And braking would be just as effective ).
It is contrary to rule 122 in the UK Highway code  -
Rule 122
Coasting. This term describes a vehicle travelling in neutral or with the clutch pressed down. It can reduce driver control because

engine braking is eliminated
vehicle speed downhill will increase quickly
increased use of the footbrake can reduce its effectiveness
steering response will be affected, particularly on bends and corners
it may be more difficult to select the appropriate gear when needed.

[Lord Voltermore]

Just walked through an estate of bungalows  ,predominately OAP's. Several  cars on the  drives had rusty brakes.  Then through an estate where most commute to work  (or drive less than 1 km to the gym rather than walk as part of their workout    ) They all had shiny Brakes.     

I guess it must  just be my lifestyle. My car  gets occasional very long journeys, but sometimes not used for long periods as we walk to most of our local needs.    Rust clears naturally with regular use, but little used cars  risk the rust becoming heavier and pitting the discs.   

I shall now give some thought to the relationship between shiny discs ,walking and shiny bottoms from being a couch potato. 

[Karoq]

 

[Tombola]

You shouldnt coast in neutral. There is no need  ....

What makes you think this?

Coasting is one of the favourite methods of "normal" automatic gears (they do it without you being aware of it).

Some VAG DSG autos do indeed coast under certain conditions but the driver has no control over it doing so, Davejazz is manually shifting the gearstick into neutral from drive, apart from the Highway code point of view shifting an auto whilst on the move is not a good idea, shifting back from neutral into drive may result in transmission problems plus a Hybrid is not charging the battery when in neutral, a better idea is to find a quiet stretch of straight road and apply the brakes hard a couple of times

[coldstart]

... plus a Hybrid is not charging the battery when in neutral ...

I can see, you have never tried this with your Jazz! - Trust me: It will keep the ICE running while in N if the HV-battery needs charging (or heating is required of whatever other reasons Honda's engineers have foreseen to keep the ICE running)!

But we are digressing from the rust on brake discs issue.

Back on topic: My previous VW cars where very much more prone to this issue! - I ended up to actively dry-brake the rear discs in rainy weather with the manual handbrake on the last few hundred yards before stand-still in order to keep them from rusting tight!

Something that was never necessary with the Jazz (and I still apply the handbrake when parking in the garage).

I've done now well over 13'000 miles in my Jazz and all four discs are shiny as new (on the VWs you could see the many places on the rear discs where the plates had "rusted on" from the time before dry-braking).

VW is still under the effect of infamous cost cutting, OPEL seems to have finally recovered from the "Lopez-Effect".