'The doors also did not open with the speed or symmetry that Tesla required, including when a prototype vehicle was parked at an incline or when the system was

'The doors also did not open with the speed or symmetry that Tesla required, including when a prototype vehicle was parked at an incline or when the system was exposed to extreme temperatures. Hoerbiger's doors also “sagged” beyond Tesla's specified tolerance levels.' - I wonder if the vehicle was parked at a longitudinal or lateral incline. I would understand if the problem was noticed in the latter.