Hi 6t. As far as how long chip shortages will last, your Dealership rep really had no clue and winged it on that one.
The problem is, which chip is in short supply can vary from week to week, let alone month to month. But the shortages will not last 3-4 years.
So for those who for whatever th;e circumstances need or absolutely must have a new vehicle now, all we can do is buy what is available off the lot, or factory order and be patient.
Of course, buying off the lot right now puts us at the mercy of supply/demand and Dealership greed, probably settling for something that is not exactly what we wanted, and generally means paying a premium.
And ordering means undefined and long waiting periods.
So my best advice for those who can, is to stay out of the new vehicle market if we can. Probably until early next year.
Good luck.