CPC B60W 60/0025 (2020.02) [B60D 1/36 (2013.01); B60Q 1/50 (2013.01); B60W 30/18009 (2013.01); B60W 40/12 (2013.01); G01R 31/44 (2013.01)] | 20 Claims |
1. A system, comprising a computer including a processor and a memory, the memory storing instructions executable by the processor to:
determine an electrical resistance of a lamp in communication with the computer;
determine a respective classification for each of the electrical resistance, a vehicle length, and a trailer length, each classification associated to a respective range of values of one of the electrical resistance, the vehicle length, or the trailer length;
based on a combination of the classifications, determine that a trailer is attached to a vehicle; and
actuate one or more components of the vehicle to move the trailer.
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