If the system thinks the driver 's door is open, the trans will engage park if your foot is not on the brake This is from memory. maybe someone else will chime in.

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Dave

'05 325xi
'10 E70 35d
'85 911 Carrera
'66 911 Work in progress
'91 Chevy C1500
'95 Jeep Cherokee
‘18 Jeep JLU