The lease agreement does not give Tesla any opportunity to charge the lessee more (upon lease return) based on charging practices.
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25. Excess Wear. The charge for excess wear will be our estimated or actual cost or repairing wear beyond that reasonably expected with ordinary, everyday use and maintenance according to this lease. It includes (i) parts, accessories and vehicle specifications present in or on the vehicle or provided at delivery being incomplete, modified or replaced with items of inferior quality or design; (ii) any tire with less than 1/8 inch of tread or not part of a matching set of four; (iii) dents, scratches, gouges or cracks in the vehicle's external parts, or glass; (iv) torn or burned interior parts or upholstery; (v) inoperative mechanical or electrical components; and (vi) any damage or neglect resulting from your failure to follow any maintenance schedules or recall advisories we or our affiliate may notify you of.
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Having read this, this actual makes me feel better about not the [un]likelihood of being charged for the odor in the car upon lease return (I smoke cigars in the car all the time, though admittedly I'm generally able to keep the car smelling pretty fresh).