Recently noticed when I have the tow ball mounted bike rack on the car, steering assist is disabled.
I understand that some things don't work with a trailer etc attached - like blind spot monitoring, understandably because the sensors are blocked - but I don't believe steering assist uses that I think it's all based on the forward facing cameras which detect the road markings and keep you centred.
I'm presuming this is not a bug and others have the same limitation? Probably due to concerns about its use while towing and possible 'tank slappers' triggered by automated steering inputs?
Any way around this? The only thing I can think of is unplugging the bike carrier from the tow-bar electrics so it doesn't sense that I'm 'towing'. I don't think that would go down too well with French highway police as the bike rack would then be un-lit...
It's a real shame, I've been looking forward to taking our bikes on holiday this year but steering assist is essential on a 14h+ drive.
Recently noticed when I have the tow ball mounted bike rack on the car, steering assist is disabled.
I'm presuming this is not a bug and others have the same limitation? Probably due to concerns about its use while towing and possible 'tank slappers' triggered by automated steering inputs?
Both my 2020 & current 2023 model had factory fitted electrically deployed tow hitch and it is only the blind spot monitoring which is deactivated on mine when a cycle rack is attached.
On both D5s that I've had, Lane Keep Assist and Emergency Lane Keep Assist still work as normal with a trailer attached.
However, there used to be an option on earlier D5s for "steering assist" which was almost an autopilot to keep the vehicle in the centre of the lane. The instruction manual contains this warning:
Click image to enlarge
MY2022 D5 HSE D300 - with extra nice bits added
MY2019 D5 HSE 3.0 SDV6 - sold to a dealer for a crazy price!
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