Be aware of driving assistance system limits

jonatious · 04-18-2021, 06:10 PM

Where I live, there are not a lot of very sunny days, I have been using the assisted driving for a while on my car and got pretty used to relying on the system on highways not curving much.

I just happened to drive on a very sunny day today and the system lost the assistance every time I went into a tunnel or under a wide bridge and came out. It looks like the system relies a lot on the cameras and when getting out of the tunnel, the lighting changes from dark to super bright and the camera is not able to adjust it’s exposure on time.

Just a heads up for all

wifesbimmer · 04-18-2021, 06:31 PM

Good to know. Thanks for the heads up.

Auricom · 04-18-2021, 06:33 PM

Quote:

Originally Posted by jonatious

Where I live, there are not a lot of very sunny days, I have been using the assisted driving for a while on my car and got pretty used to relying on the system on highways not curving much.

I just happened to drive on a very sunny day today and the system lost the assistance every time I went into a tunnel or under a wide bridge and came out. It looks like the system relies a lot on the cameras and when getting out of the tunnel, the lighting changes from dark to super bright and the camera is not able to adjust it's exposure on time.

Just a heads up for all

Covered in the owner's manual and digital Driver's Guide

Great post and PSA reminder for owners to RTFM.

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ifr · 04-19-2021, 02:32 AM

Couldn't agree more.

Shadows are a hazard too. As is really heavy rain that obscures the markings.

SmartSaves · 04-19-2021, 11:06 AM

Thank you for sharing. Good to be aware of these limitations.

04-18-2021, 06:10 PM	#1
jonatious Lieutenant 251 Rep 581 Posts Drives: BMW X7 Join Date: Jan 2021 Location: Seattle iTrader: (0)	Be aware of driving assistance system limits Where I live, there are not a lot of very sunny days, I have been using the assisted driving for a while on my car and got pretty used to relying on the system on highways not curving much. I just happened to drive on a very sunny day today and the system lost the assistance every time I went into a tunnel or under a wide bridge and came out. It looks like the system relies a lot on the cameras and when getting out of the tunnel, the lighting changes from dark to super bright and the camera is not able to adjust it’s exposure on time. Just a heads up for all
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04-18-2021, 06:31 PM	#2
wifesbimmer Lieutenant 158 Rep 540 Posts Drives: '20 X5 M50i, E92 M3, '16 F150 Join Date: May 2013 Location: Alberta iTrader: (0)	Good to know. Thanks for the heads up.
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04-19-2021, 02:32 AM	#4
ifr Lieutenant Colonel 1200 Rep 1,587 Posts Drives: Tesla MY LR AWD Join Date: Oct 2019 Location: N/A iTrader: (0)	Couldn't agree more. Shadows are a hazard too. As is really heavy rain that obscures the markings.
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04-19-2021, 11:06 AM	#5
SmartSaves X5 Enthusiast 462 Rep 762 Posts Drives: 2021 X5 Join Date: Aug 2020 Location: Neighbourhood of Santa iTrader: (0) Garage List 2021 BMW X5 [10.00]	Thank you for sharing. Good to be aware of these limitations. __________________ 2021 X5, Excellence, M Sport, DHP, DAP, RSE, MW, Merino.
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