Methods and apparatus are provided for controlling navigation guidance in a vehicle. The method includes: a) determining a re-route instruction based on a non-executed guidance instruction; b) presenting the re-route instruction; c) determining a non-execution of a re-route instruction; d) repeating steps a) through c) for a pre-determined number of re-route attempts; e) prompting for cancellation of navigation guidance after the pre-determined number of re-route attempts; and f) altering navigation guidance upon acceptance of the prompt for alteration.

 
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> Method and system of restricted substance management and recycling

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