While sitting at a light 2007 Buick Lucern cut off and had to be towed. When you try to start car you hear 2 clicks but it won't start. Lights work, horn work, etc. Service Air bag is on display and Dealer says computer is not programming or not sending signal to car to start. I bought this vehicle brand new with less than 10 miles on it what and I just drive it for leisure.
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2007 Buick Lucerne
Question: 2007 Buiick Lucerne cut off while running
Answer #1DaveJHM November 23, 2010, 22:57Master
With a no crank situation, the most likely cause is the battery voltage not being strong enough to crank the starter and engine. It can have enough power to light up the lights and operate the horn, but not enough to crank over the engine. Also check for loose connections or excessive corrosion at all the battery cables. This is where to start, certainly it can progress from there.