I was going to post something similar but didn't want all my posts to come accross as bashing Lotus!
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I think it is a genuine concern though based on past performance.
Heaven forbid but what if there is a recall early on to fix something, I honestly don't know how they would handle it.
Same with your example Tom. We have seen how rigid they are with amendments to production, so after sales taking a new headlight off the production line and production being shuffled accordingly sounds like a big no no.
I hope they are aiming to keep a full spare parts inventory at all times. Sounds crazy to even say that, but Lotus have been renowned for not having spares available in the past