What is the recommended wording for signaling before a lane change?

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Signaling before changing lanes communicates your intent to other drivers, giving them time to notice you and adjust their speed or position. The standard rule is to activate your turn signal before you start the lane change and for a distance of at least 100 feet, so drivers around you have a clear warning well in advance at typical speeds. This early indication helps prevent sudden moves, reduces the chance of cutting off another vehicle, and lowers the risk of collisions. Waiting to signal after you’ve begun or only signaling when you think others are nearby creates situations where other drivers don’t have enough warning to react safely. Not signaling at all is dangerous and often illegal, so signaling the full 100-foot lead time is the correct practice.