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US 8,548,695 B2Granted
Method for unlocking an automatic transmission in an emergency
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsThomas Jaegers, Frank Gielisch, Rainer Andres
Life of this patent
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Abstract
A method is provided for emergency unlocking of an automatic transmission in a vehicle. The transmission may be unlocked from a blocked state for protection against unauthorized use, by an emergency unlocking unit. Upon actuation of the emergency unlocking unit, the automatic transmission cannot be operated in a forward driving mode.
Claims10
A method for emergency unlocking of a vehicle automatic transmission from a blocked state to protect against unauthorized use, comprising the acts of:
- placing an emergency unlocking unit in at least one of mechanical and electrical communication with a vehicle in the blocked state to protect against unauthorized use, the vehicle being configured to prevent operation of the automatic transmission in a forward driving mode in response to emergency unlocking unit use;
- actuating the emergency unlocking unit to unlock the automatic transmission in a manner which prevents shifting of the transmission into a forward driving mode.
Dependencies are inferred from the claim text.