Tooney
Well-Known Member
- Joined
- Aug 14, 2021
- Threads
- 333
- Messages
- 2,210
- Reaction score
- 1,736
- Location
- Ohio
- Vehicles
- 2022 Taycan 4S
About Lane Keep Assist. The 2022 manual indicates that LKA can initiate "a corrective steering intervention" , acoustic warning, and/or instrument panel warning.....LKA is a pain (and dangerous IMHO) and so I always have it disabled.
So of the 3 standard speed controlling features I only ever use 1 - cruise control - as the others are flawed for various reasons (poor signage, mapping errors, faint road markings etc).
(Manual also says about Emergency stop function that "If Active Lane Keeping is switched off, Lane Keep Assist is active and driver does not react to takeover prompts from LKA" then it causes emergency stop function. Same thing if car is going at very high speeds even if LKA is off.)
I'm trying to learn which assistance systems - other than Active Lane Keeping, which I do not have - brake or reduce speed of the car.
The ones that seem to (from reading manual) are:
Adaptive cruise control
Cruise control
Rear cross traffic alert (brief brake jolt)
Speed limiter
Intersection assist (brief brake jolt)
Emergency stop function (visual, acoustic, or tactile warnings in stages and brakes vehicle to standstill. Interacts with Active Lane Keeping, Lane Keep Assist, or neither.)
Warn and brake assist (different functions, depending on country)
Lane Keep Assist (in combo with emergency stop function)
Not clear to me whether Active Lane Keeping can reduce speed or brake. Information in manual is difficult to understand.
If car is braking for unknown reason, looks like a tough problem to figure out which of these systems is at fault.
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