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74 Posts
Discussion Starter #1
I noticed something rather funny last week when driving around - my girlfriend doesn't weigh enough to extinguish the "Passenger Airbag Off" light. (I did see the reference to Calista Flockheart while doing searches on this topic! :lol: )

At first I thought she'd just forgotten to fasten her safety belt, but all looked good.

Does anyone know what the weight limit/cutoff is? On my Porsche I believe it was 40 or 45lbs. I have to believe she weighs more than 45lbs.

Thx
 

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Premium Member
2006-2009 Range Rover Sport
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5,175 Posts
Hey, if she's under a certain age and/or not over 48 lbs she needs to be in a booster seat in the backseat. You can get a ticket.

**oh boy...I got a feeling this thread is gonna be good**
 

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Discussion Starter #3
:clap:

I actually had guessed I'd be seeing that as at least the 3rd or 4th post in.

Well, once you're in 5th grade I guess you don't need a booster seat anymore. D'oh!
 

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Premium Member
2006-2009 Range Rover Sport
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1,157 Posts
my wife's all of 5' tall. sometimes when she shifts around or more commonly, reaches to the back to get something for the kids, it'll trigger the sensor and turn off the airbag.
 

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LIFETIME CONTRIBUTOR
2006-2009 Range Rover Sport
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11,013 Posts
Here is the section of the shop manual describing the "Occupant sensing" system fitted on North American cars only. As mentioned on a different thread, markets abroad only get a sensor that determines if the seat is occupied or not to activate the seat belt reminder, and include a manual passenger airbag cutoff switch in the cabin instead of a "classification" weight sensor such as NAS cars. After carefully reading the whole document, the answer to your question is as clear as mud. Either your girlfriend weighs less than your garden variety 5th percentile female (can't they just say exactly how much that is, or is it politically incorrect?!?), or the sensor under her butt is defective. You may want to get it checked upon your next service visit, they can probably test the sensitivity of the system via diagnostics.
 

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As a side note, the passenger sensor on my 300 would go off every few thousand miles. Almost every oil change they would have to recalinrate the sensor. After the 5th or 6th time I was advised that they are so sensitive that someone kicking the underside of the seat or pushing forward on teh back of the seat can throw it out of wack. As I rarely had anyone in the back of my car I found that a bit hard to swallow. However the Cstco run wedged up against the seat threw it out the very next week. I imagine the same could be true for the weight sensor in the Disco III/Sport as well. Have it recalled at your next service and ask how it works. :geek:
 
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