Originally Posted by PLP
That is a big surprise to me as I had 2004 Elantra and it had... rear drum brakes.
UK market does not have to be same as US market.
Then, you said it was your Wife, right? Not you. So why would you feel offended? I simply stated that ABS to work needs GRIP. Period. Plus it needs maintenance.
And why did I state ABS might not work at 15 MPH? Because of this specific conditions on the road, because of maybe simply locking all wheels. Maybe some other conditions.
Different cars, different years means different stages/versions of ABS. Some are designed to work down to 3-5 mph some will stop at 10 mph.
And OK, ABS could play a role in this accident, but do not blame IT for the accident. There are several things that happened: black ice, "stuck" ABS, your wife, too fast driving for road conditions, and I guess few more.
And - not to try to offend you - if you really are so great driver, I repeat my question - why the brakes were not released to steer the car?
On the matter of rear drums on Elantras, I was actually quoting from another post, and also supported by the fact that brake shoes are not available for Elantra in the UK.
But, OK: maybe rear drums were optional for U/S market, but ABS is rarely (if ever) fitted to drum+disc combos..
On other subjects, you patently live in a hole different world: where you answer all comments with negativity and disbelief; but worse, you do this without actually first reading their posts properly.
You are so WRONG, WRONG, WRONG.....
1. Firstly, I said it was my wife's car; and not that she was driving.
2. ABS certainly does NOT "need grip" (or tyre-to-road friction) in order to work! Indeed, the opposite is true: all ABS systems work when your tyres have little grip, or actually NO grip at all!
Every ABS system should then RELEASE the brakes when wheel rotation speed APPROACHES zero.
Even with very minimal grip, wheels will then start to rotate again; and I should then easily have just rolled around that very gentle curve, in perfect safety.
As I stood by the car, checking all its under-bonnet damage, I watched several other vehicles regain control after starting to slip on the same piece of road. So there was certainly enough grip on the road for them to immediately regain steering control, as soon as they stopped accelerating or braking!
3. As a former Research Engineer with Lucas Research (which included work for Girling Brake Systems), I can categorically say you are talking rubbish about ABS at low speeds!
The fail-safe option on all ABS systems is designed so that the brakes operate as though there is no ABS fitted: i.e. the driver's brake-pedal pressure, as enhanced by the servo if fitted, is delivered directly to the brake calipers and/or cylinders. NEVER should the brakes' fluid pressure be locked on, so that lifting one's foot does NOT release the brakes- but the other morning our brakes stuck on, from the very first moment the ABS actuated, until colliding with the tree!
To argue about the minimum speed needed to allow the ABS to be actuated misses the point entirely: we know the ABS did actuate, as the brakes would've behaved safely as a non-ABS system, if the brakes were not locked-on!
4. I am unable to think of any maintenance procedure which could possibly have made the slightest difference: because any problem sensed by the ABS system should instantly make it switch itself out of the brake-pipe network: thus effectively allowing the brakes to be operated safely as a non-ABS system. But again: the brakes were tested straightaway after the incident, including deployment of the ABS system; and all worked normally.
5. AGAIN, I DID LIFT MY FOOT OFF THE PEDAL; BUT THE BRAKES REMAINED LOCKED ON BY THE FAILED ABS SYSTEM: there is no other explanation possible! And yes: I am a well-respected and expert driver; and I learnt to accurately read road-surface conditions whilst I was a potentially vulnerable motorbike-rider!
It is sad that an inexpert person might persistently refuse to believe my EXPERT testimony, and my experienced and considered scientific evaluation of all the facts.
This reflects mostly on how closed some minds be; assumably not wanting to believe that the next victim of an "unexplained" intermittent ABS-control failure might be himself !
I'd say that was very unlikely, statistically; but IT WILL HAPPEN TO SOMEONE !!
Thankfully, it won't be us next time: we will scrap every Hyundai ABS from now on... better safe than dead.
Hyundais keep going alright, with safe braking a most-times option!