Traffic Jam Assist

[latearrival]

I don't have my Tig yet either, so I could be talking out of my backside. But here's what someone else posted from the UK manual:

Traffic Jam Assist function
At speeds under 60 km/h (35 mph) Traffic Jam Assist can maintain a time interval, set by the driver, to a vehicle in front, and help the vehicle to stay in lane. The system automatically controls acceleration, braking, steering and, if required, will decelerate to a stop behind a vehicle that is stopping, and then drive away again automatically.

Adaptive Lane Guidance
Activating or deactivating adaptive lane guidance, the lane keeping system does not just provide assistance when the vehicle is at risk of leaving the lane. If the system detects both lane markings to the left and right of the vehicle, the function provides permanent assistance while the vehicle is in motion. The system adopts the preferred position within the lane in which the vehicle is travelling. For example, if the vehicle is being driven slightly off-centre in the lane, the system will learn to adopt the new position within a short period of time.

EDIT - @TungstenR from NZ said his Tig has TJA & ALG

[Ozsko]

Has he ever commented on his experience with it? Do you know of any comments of users with TJA?

[latearrival]

Let me clear up something, I haven't seen a car with these features so my terminology might be incorrect, note the brackets in my previous post. I might be wrong but in the handbook it calls it "active lane assist", I will check later. The emphasis in either case is the "Active".

I think you're right. The handbook does call it Active Lane Assist. I assume the "Active" bit means it actively controls the steering. But only to bounce you off the lane markings. It's still the poor cousin to the Adaptive Lane Guidance, which is also needed for TJA.

[latearrival]

Has he ever commented on his experience with it? Do you know of any comments of users with TJA?

No to both. But I just sent TungstenR a message and asked.

[Ozsko]

IIRC and this is a big maybe, am I correct in thinking that TJA is not standard fit in the UK but either comes with certain models or is an option requiring spending money to get it?

[latearrival]

IIRC and this is a big maybe, am I correct in thinking that TJA is not standard fit in the UK but either comes
with certain models or is an option requiring spending money to get it?

Sorry, I have no idea. Perhaps someone else can chime in?

[TungstenR]

OK, the experience... Considering TJA,...nada, as I don't live in a congested area. Considering Adaptive Lane Assist, that's a different story, almost nada too however, but I must explain;

the vehicle data sheet says I have
- lane change assist and lane keeping system, code 7Y5 SPU
and
- Adaptive cruise control (with "follow to stop") and speed limiter, code 8T8 GRA
and
- Lane change system Side assist Plus incl. lane keeping system Lane Assist (ROW), code PSL

I see all this information in the Head Up Display, complete with the pictures for "Adaptive Lane Assist" as explained in the car manual, but in actual drive I feel a gentle push when driving towards any of the lines, not for staying in the middle of the lane.

I've had a few electronic issues though, out of the blue 1. emergency assist once displayed it was not available, 2. ABS once displayed it was not available (when the car was at the dealer, but they could not find what was at fault), 3. during a long drive the display suddenly said that lane assist wasn't available, and indeed it showed as being de-activated in my HUD. After we stopped, and re-started, everything seemed OK again.

When I have time they'll have a look at it at the dealership...

[latearrival]

in actual drive I feel a gentle push when driving towards any of the lines, not for staying in the middle of the lane

Thanks for taking the time to share your experience. Unless your car has been misconfigured, it's beginning to sound like NZ doesn't get Adaptive Lane Guidance (and therefore TJA) after all. Perhaps the only thing NZ gets that Australia doesn't is the HUD.

[MadWorm]

My dealer informed me in an email a few days ago all MY18 Golfs in Australia will have TJA.

[Hugo_nz]

Mods, there are two threads about TJA. Could they not be merged into one?

[dArK5HaD0w]

if anyone is interested - the skoda version of TJA...
i have an MY17 Superb. It has ACC (active gruise), Lane Assist with Adaptive Lane Guidance and Traffic Jam Assist (TJA).

i can use the car in the following combos:-
1. Lane Assist

• ACC = OFF
• LA = ON
• ALG = OFF

activates above 65 km/h. when i hit the lane, the car will vibrate and bounce back. it doesn't keep the car centred.


2. Lane Assist with Adaptive Lane Guidance

• ACC = OFF
• LA = ON
• ALG = ON

as above activates above 65 km/h, however this time it keeps the car in the centre of the lane markings. works on straight roads, and long curvey roads.
brilliant for motorways.
even with me holding the wheel, and i'm starting to move off centre, it will correct the steering and recentre the car.
i can drive totally handsfree, however, it only allows 12 secs of handsfree operation, after which it will display a message saying to take over the steering. if i don't, it will vibrate the steering. if i still don't, it will brake sharply for 1 sec. if i still don't, it switch on the hazard lights and come to complete stop within the lane.
the ALG also makes use of the blind-spot monitoring sensors.


3. Active Cruise Control Only, no Lane Assist

• ACC = ON
• LA = OFF
• ALG = OFF

as per normal cruise control, but in addition keeps the distance to the car infront of you.
it will NOT bring the car to a complete stop if the infront of u does.


4. Traffic Jam Assist

• ACC = ON
• LA = ON
• ALG = ON

as above for lane guidance, however this time it also works below 65 km/h, down to standstill.
as above for active cruise, however this time, will brake for u to a complete stop, and resume when the car infront starts moving. if the car has been stopped for more than 3 secs, a flick of the resume switch is all that is required.
brilliant for traffic jams or creeps.
combined with ACC, i can drive handsfree and legsfree.



i can't specifically turn on/off TJA. as long as the certain conditions are met, TJA is active.
there has been a recall on certain models to fix/correct TJA, via a Technical Bulletin.

[GabrielT]

My dealer informed me in an email a few days ago all MY18 Golfs in Australia will have TJA.

MY18 as in a week 21 built onwards?