I experienced a rather interesting bug. After setting the AI driver swap setting in the quick select menu I missed my braking point and crashed into the tire barrier getting the "Serious Damage" notification. Then and there the AI driver took over for me, drove it into the pits, and continued the race in control.

Custom Event
Track: Daytona Road Course
Car: Ford GT LM GTE Chip Ganassi Racing #66
Multi Class (31 AI)
LMP1 (8)
Rolling Start; No Formation Lap

Time: Feb 10, 2018 @ 04:00 (Real Time)
Weather: Clear
Duration: 00:45

Time: Feb 10, 2018 @ 12:00 (Real Time)
Weather: Light Cloud
Duration: 00:30

Time: Feb 10, 2018 @ 17:00 (Real Time)
Weather: Overcast | Clear | Fog (Sync to Race)
Duration: 02:45

Rules& Penalties: On
Track Limit Penalties: On
Allowable Time Penalty: 10
Drive-Through Penalties: On
Pit Exit Penalty: On

At the end of Lap 8, beginning Lap 9 I started adjusting my on the fly strategy from the default the game creates. I turned on AI driver swap. I then started adjusting refueling getting it to 77L before braking late into turn 6 and crashing into the tire barrier. Damage to the right front suspension (obviously), don't know what the values were since I had the HUD on minimal. At this point the AI driver took control, pitting on its own and then carrying on with the race.

Oh and then to kick me while I was down the game crashed when trying to exit back to the menus lol.