Adding blind side detection and lane assist in 2018 terrain - TerrainForum.net: GMC Terrain Forum
 
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post #1 of 6 (permalink) Old 01-09-2020, 10:44 PM Thread Starter
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Adding blind side detection and lane assist in 2018 terrain

Hey folks. I purchased a low mile 2018 terrain a few weeks ago and unfortunately it doesnt have lane assist. Does anyone know if I can install mirrors from a vehicle that does have these options and be plug and play? Most everything in these are modular so I assume all the required connections are there. Thanks
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post #2 of 6 (permalink) Old 01-11-2020, 06:22 PM
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Originally Posted by DieselTerrain View Post
Hey folks. I purchased a low mile 2018 terrain a few weeks ago and unfortunately it doesnt have lane assist. Does anyone know if I can install mirrors from a vehicle that does have these options and be plug and play? Most everything in these are modular so I assume all the required connections are there. Thanks
If I'm not mistaken, it's more than just the mirrors; those are just the indicators. There are sensors in the front and rear quarter panels as well as either an radio frequency (rf) transmitter for the signal. Additionally, the computer module has to have software programmed for processing the data received by the sensors. Not saying it can't be done, but more than just mirrors.

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post #3 of 6 (permalink) Old 01-11-2020, 07:34 PM
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Originally Posted by c&wsinbad View Post
If I'm not mistaken, it's more than just the mirrors; those are just the indicators. There are sensors in the front and rear quarter panels as well as either an radio frequency (rf) transmitter for the signal. Additionally, the computer module has to have software programmed for processing the data received by the sensors. Not saying it can't be done, but more than just mirrors.
I must agree with this comment; there is a lot more hardware involved to get this capability than the mirrors. Even if all of the sensors were installed it would still need to be programmed to function.

That may be futile because during the process of reprogramming for this function, the VIN probably will be needed to begin the process; if the vehicle didn't have the option initially it probably won't be able to be retrofitted.

I'd have to say it cannot be done realistically or economically. Another case of how important is it, and how much one is willing to spend.


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post #4 of 6 (permalink) Old 01-13-2020, 06:44 PM
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There are some dashcams that offer lane departure warnings, however since lane keep assist actually ties into the steering I doubt that is something you can add.

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post #5 of 6 (permalink) Old 01-21-2020, 11:58 AM
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Going through the ordeal to add it isn't worth it. For me it's more of a nuisance. Guardrails, snow banks and even heavy road spray from the front tires will set it off. That's what the mirrors are for. By the time a fast passer triggers them they are already in the ''contact'' zone.

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post #6 of 6 (permalink) Old 01-21-2020, 12:42 PM
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Just to add my 2cents, in general for the GM system to work, there also has to be lines on the road, if there are none then the system does not work, if covered in snow, again the system will not work, it does not mean that its defective, but it is reliant on outside factors. GM knows this and has been adding the gen 2 system to Cadillacs, this uses the Sat network and can place you anywhere on the road. I expect in the next 10 years almost all GM vehicles will have it or have the option for it.
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