Vehicle Car Wash Mode Safety System Control
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Solution Overview
Problem
Modern vehicles with advanced safety features pose challenges for automatic car washes, as they may inadvertently lock occupants out or trigger safety systems, potentially causing damage, due to lack of user input for disabling safety features and ensuring safe operation during washing.
Innovation Solution
A vehicle system that activates a 'car wash mode' by temporarily disabling safety systems, limiting speed, unlocking doors, turning off the engine, and setting the parking brake upon user input, allowing safe operation and exit during washing, and re-enabling systems upon user input for normal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If vehicle safety systems are activated to protect occupants and prevent accidents, then occupant safety is improved, but the vehicle may inadvertently lock occupants out or trigger safety systems during car wash, causing damage
Solution Approach 1:
The system performs preliminary actions by detecting car wash entry conditions before the vehicle fully enters the car wash. The processing device identifies when the vehicle is approaching a car wash facility and proactively disables safety systems and locks doors in advance, preventing the harmful effects of accidental locking and system activation during washing.
Solution Approach 2:
The processing device acts as an intermediary between the vehicle's safety systems and the car wash environment. It mediates by temporarily disabling safety systems and controlling door locks based on detected car wash conditions, allowing the vehicle to safely pass through the car wash without triggering harmful safety responses.
2Reliability
If doors are locked to secure the vehicle during washing, then vehicle security is improved, but occupants may be locked out during car wash operation
Solution Approach 1:
The door lock system dynamically adjusts its state based on car wash detection. The processing device keeps doors unlocked when car wash conditions are detected, allowing occupants to exit safely. Once the vehicle exits the car wash, the system automatically restores normal locking operations, providing both security and ease of operation at appropriate times.
Solution Approach 2:
The system performs preliminary action by preemptively keeping doors unlocked upon detecting car wash entry, preventing the harmful effect of occupants being locked out. This preliminary state change occurs before the vehicle fully enters the car wash, ensuring occupant safety throughout the washing process.
3Reliability
If advanced safety systems are enabled to prevent accidents, then accident prevention is improved, but the systems may be inadvertently triggered during car wash, potentially causing damage
Solution Approach 1:
The processing device performs preliminary action by disabling safety systems before the vehicle enters the car wash environment. This prevents the harmful effect of inadvertent system triggering during washing, while the systems are re-enabled after the vehicle exits, maintaining accident prevention capabilities during normal operation.
Solution Approach 2:
The processing device serves as an intermediary that temporarily disconnects safety systems from operational conditions during car wash. It mediates between the safety systems and the car wash environment by disabling the safety systems when car wash conditions are detected, preventing misactivation while allowing normal safety operations to resume after washing.
Data Source
AI summary
A vehicle system includes a processing device programmed to receive a first user input signal and activate a car wash mode in response to receiving the first user input signal. Activating the car wash mode includes temporarily disabling at least one vehicle safety system. A method includes receiving the first user input signal, activating a vehicle car wash mode in response to receiving the first user input signal, receiving a second user input signal, and deactivating the car wash mode in response to receiving the second user input signal.