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Blind Spot Monitor

Local time
1:37 PM
Joined
Jun 28, 2025
Messages
5
Location
NorCal
I know a lot of folks eschew technology. But I have to drive in the cut and thrust of San Francisco Bay Area traffic every so often where it's a perpetual traffic jam and people drive like animals. With mirrors only (especially at night) on jammed freeways, it's really difficult at times to see if there's a car in the blind spot. And yes I do have my mirrors adjusted correctly. I just find that at those times having the BSM is reassuring and often a safety factor.

So has anyone considered adding a BSM to their Grenadier? I found this one is supposedly "recommended". It has an visual and audible alert. Advent BSM

Here's a review:

The one big issue with installation is that there would need to be some sort of cutout in the rear bumper to accommodate the sensor. I wonder if an aftermarket bumper could be ordered with such a cutout?
 
I bought a Grenadier to avoid things like BSM which seem impossible to escape in the last 8-10 years, so for me less is more.

I drove for 30 years in the Bay Area and was fortunate to have survived driving unassisted manual transmission trucks to and in San Francisco every day.

That said, the stock Grenadier mirrors suck and fortunately the aftermarket has heard us.

View: https://youtu.be/k_i_x6RAKQE?si=lsYn7Be9dJzY7G9_
 
SUMA also has replacement mirrors:

 
I bought a Grenadier to avoid things like BSM which seem impossible to escape in the last 8-10 years, so for me less is more.

I drove for 30 years in the Bay Area and was fortunate to have survived driving unassisted manual transmission trucks to and in San Francisco every day.

That said, the stock Grenadier mirrors suck and fortunately the aftermarket has heard us.

View: https://youtu.be/k_i_x6RAKQE?si=lsYn7Be9dJzY7G9_

Don't get me wrong. I get where you're coming from. I too have been driving in the SF Bay Area since the late 1970's. I've had all sorts of old school vehicles including a first generation Chevy Tahoe, which was a huge ungainly beast with poor braking. I learned to drive stick in a 1950's manual column shifter van lol. Worse of all was a 1985 Porsche Carrera with no power steering. Backing up into an uphill parking space in SF really sucked in that thing. I can see how the Sum mirrors would help. Unfortunately at night, with so many trucks on the road with blinding headlights these days, it's ever harder to make out what's really next to you in heavy traffic. Hence my desire for the blind spot monitors.
 
I find it interesting that with all the other nanny tech BS legislators have forced upon manufacturers BSM is not one of them. I would gladly trade lane assist or drowsy driver or all of that crap for BSM because it is genuinely useful. Even with the mirrors well adjusted, if your truck is full of gear it can be difficult to manually check your blind spots - especially the passenger side. I have not installed the Suma mirrors as yet but have considered doing so.
 
This $3 (pair) stick-on fisheye mirror has helped immensely.

IMG_3130.jpeg
 
I installed a Wolfbox mirror. The camera is located on the inside at the top of the right rear (big side) door's window and positioned to be close to the center of the vehicle. This is an extreme fisheye view. At a stop light, if I'm in the center of 3 lanes I can see the fronts of all 3 cars in the 2nd row of cars waiting at the light. On the road in traffic I have to see some distance behind me before I pull in front of a car in an adjacent lane.
 
I installed a Wolfbox mirror. The camera is located on the inside at the top of the right rear (big side) door's window and positioned to be close to the center of the vehicle. This is an extreme fisheye view. At a stop light, if I'm in the center of 3 lanes I can see the fronts of all 3 cars in the 2nd row of cars waiting at the light. On the road in traffic I have to see some distance behind me before I pull in front of a car in an adjacent lane.
My little fisheye mirror fills the visibility gap from Wolfbox-to-side-mirror.
 
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