The most likely cause is the turn signal flasher.
The most probable answer is that you have a bad flasher.
This usually means one of the bulbs has burnt out.
Could be a bad flasher or just a burned out bulb.
Running the engine hot repeatedly.
Check all of your blinker lights. There are two in each tail light, one in each center signal, and one at the corner of each headlight, a total of 8 lights should blink when you have the flashers on. If a bulb is burnt out, it will increase the blink rate. Also, installing LED's in the tail lights will cause the blink rate to increase.
The most typical cause of a vacuum leak is a cracked vacuum hose. The hoses get brittle with age, and cracks are common.
It typically means you have a bulb on that side not working. Can't remember if it's front or back. It doesn't matter what end of the car the burned out bulb is on. Just compare the good side blinkers with the bad side blinkers. what ever bulb or bulbs are bruned out will be fairly obvious, it also help to do this check in the shade, makes it easier to spot the burned out bulb.
I am ten years old and I do blink cause it helps my eyes.
either the washer motor has burned out or there is dirt in the washer lines plugging up the washer nozzles.
A blown fuse will cause your 2000 Chevrolet Impala interior lights to stop working. The fuse box can be located in the engine compartment. A listing of the fuses can be found on the inside cover of the fuse box.
The cruise sensors have detected a malfuntion and you should probley take it to a Chevrolet Certified Repair Facility.
There is several things that can cause it. The plug wires being crossed will cause a backfire. A backed off rocker arm adjustment and most common is a worn camshaft lobe.