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Hey buddy, if your Nissan Sentra's dash
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is flashing that front radar obstruction
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warning and killing your cruise control,
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you're not alone. Turns out it's mostly
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just dirt, bugs, or slush gunking up the
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front radar sensor on the grill. Grab a
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soft cloth, wipe it clean, and restart
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the car to get things humming again.
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Okay, so first off, pull over somewhere
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safe when that alert pops up on your
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Sentress screen. It's the car's way of
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saying the radar up front can't see
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straight for stuff like adaptive cruise
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or emergency braking. Don't sweat it
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yet. Nine out of 10 times, this is an
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easy wipe down away from normal. Pop the
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hood. Nah, not for this. That front
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radar sensor sits right behind the grill
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emblem on your Sentra's nose. Kind of
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like a little eye watching the road
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ahead. Grab a microfiber cloth, maybe
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damp with soapy water if it's really
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caked, and gently wipe the lens clean.
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Avoid harsh sprays or scraping. You
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don't want to scratch that plastic cover
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and make things worse. All right, then.
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Once it's spotless, hop back in, fire up
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the ignition, and let the car sit for 30
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seconds. Drive a mile or two, and poof,
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that warning should vanish from your
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dash. I mean, it's like giving your
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Sentra a quick face wash after a muddy
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drive. The thing is, if the light sticks
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around after that, it might be a wonky
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alignment from a pothole bump or even a
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loose wire behind the bumper. Happened
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to a guy last week. His Sentra hit a
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curb, shifted the sensor just enough to
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freak it out. We realigned it in the
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shop for under a hundred bucks, but
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honestly that's dealer territory if
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you're not handy with a torque wrench.
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What's your Sentra's year model, by the
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way? Drop it in the comments. Might help
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spot if it's a common glitch for that
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one. One quick safety note here. Always
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park on level ground before poking
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around the front end. No need to
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disconnect the battery or anything
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dramatic for a clean. You know, back in
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spring, I had the Sentra roll in from a
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rainy hike. Driver thought the radar was
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toast, but nope, just pollen and road
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spray blurring the view. wiped it,
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restarted, and he was back on the
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highway grinning. Funny how something so
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small trips up all that fancy tech in
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your car. Anyway, to wrap it up, clean
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that front grill sensor gently, restart,
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and you're golden for most cases. If
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not, swing by a Nissan Spot for a check.
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They've got the tools to dial it in
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perfect. Like and subscribe if this
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saved your drive today, and share your
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own radar headache stories below. Catch
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you next time. Drive safe.
