Vehicle Valet Passcode Control for Passive Start Conflicts
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Solution Overview
Problem
Existing valet mode systems in vehicles are limited by the need for multiple keycodes, reduced security due to keypad limitations, and conflicts with passive entry and start systems, requiring two-handed operations and potential for premature exit from valet mode.
Innovation Solution
The enhanced valet mode generates unique, encrypted keycodes for vehicle access and starting, integrates with modern keycode systems, and modifies secure idle mode to work with keycodes rather than trackable devices, allowing one-handed operation and improved security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple keycodes are generated for valet mode (one for door keypad, one for HMI), then vehicle access and starting are enabled, but security is reduced due to keypad limitations and complexity increases
Solution Approach 1:
The patent combines the door keypad code and HMI code into a single unified keycode that can be used for both vehicle entry and engine starting. This merging eliminates the security vulnerability of having separate codes and simplifies the system while maintaining full functionality.
Solution Approach 2:
The unified valet keycode serves multiple functions: it can be entered in the door keypad for vehicle entry, entered in the HMI for engine starting, and works across different vehicle states (off, accessory, run). This multi-functionality replaces the need for separate keycodes.
2Reliability
If valet mode uses traditional keycode entry, then vehicle access is enabled, but two-handed operations are required reducing ease of operation
Solution Approach 1:
The system automatically provides the valet keycode to the mobile device without requiring the valet to manually write it down. The keycode is digitally delivered and stored, allowing the valet to access it conveniently during one-handed operation.
Solution Approach 2:
The patent replaces the mechanical process of writing down keycodes with a digital delivery system through mobile devices. This substitution eliminates the need for manual recording and enables easier retrieval during operation.
3Ease of operation
If passive entry and start devices are present in vicinity, then convenient access is enabled, but conflicts occur causing premature exit from valet mode
Solution Approach 1:
The system preemptively disables passive entry and passive start functionality when valet mode is activated. This preliminary action prevents potential conflicts before they can occur, ensuring valet mode stability while maintaining secure keycode-based access.
Solution Approach 2:
The patent extracts and removes passive entry and start capabilities from the system during valet mode operation. By taking out these conflicting features, the system eliminates the source of instability while preserving the core valet functionality.
4Reliability
If secure idle mode is enabled, then vehicle security is improved, but conflicts with keycode-based valet mode reduce adaptability
Solution Approach 1:
The system dynamically adjusts secure idle mode behavior based on valet mode status. When valet mode is active, secure idle is configured to recognize and accommodate keycode-based starting, allowing both security features to coexist harmoniously through adaptive behavior.
Data Source
AI summary
Systems, methods, and computer-readable media are disclosed for an enhanced valet mode for vehicles. An example method may include receiving a request for a temporary valet passcode. The example method may also include generating a temporary valet passcode. The example method may also include displaying a request for entry of the temporary valet passcode. The example method may also include determining that an input has been received. The example method may also include determining that a mobile device is located within the vehicle or within a threshold distance from the vehicle. The example method may also include preventing the vehicle from starting based on authorization of the mobile device for a period of time subsequent to the input being received.