Question about 2004 Buick Regal

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Many strange problems cropping up on my 2004 buick regal. First the change oil soon light started staying on longer than usual, even though I just had the oil changed. It does eventually go off. Then it started making a buzzing sound on start up occasionally. Then it dies occasionally right after start up and on first slow down to stop. runs smooth otherwise. Now when I first turn the key to on and before starting the car all the instrument panel lights flash twice and then stay on until started. Weird stuff. I figure there is some kind of electrical problem, but what.

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Yes check all of your ground wires in the engine bay area starter ground computer in glove box area
ground check all major grouns for loosness or corrosion also check instrument cluster for loose grounds behind dash if you are a little tec savy and have the time

Posted on May 03, 2010

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Posted on Jan 02, 2017

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Service engine soon light on in 2004 buick rendevous after accident. no codes given. turns on when engine starts.ran scanner- no codes... had to reset everything after car repairs. told not related to...


oh thats the change oil light expect it every 3500 to 4500 miles they glow.. you can usually reset it by holding down the trip button with the car off and then turn the key to the II position where everything lights up
so read me >>>>>
Buick Rainier 2004-06, Buick Rendezvous 2002-05 w/o (DIC) Driver Information Center
Turn the ignition to ON without starting the engine. Fully press and release the accelerator pedal three time in five seconds. If the CHANGE OIL SOON’ indicator flashes two times, the system is resetting. Turn the key to OFF, then start the vehicle. If the CHANGE OIL SOON indicator comes on and stays on for five seconds, repeat the procedure.
Buick Rainier 2004-05 wI (DIC) Driver Information Center
The DIC display is located on the instrument panel cluster above the steering wheel. The DIG buttons are located on the steering wheel. Press button with the gas pump symbol to display engine oil life. Press button with the arrow symbol to reset engine oil life display.
Buick Rendezvous 2002-06 wI (DIC) Driver Information Center
To reset Service Reminder Indicator, turn ignition on with engine not running. Press the MODE button until DIC reads oil life left hold SET to reset. Press and hold the SET button until 100% is displayed. You will hear three chimes and the change oil message will go out. If the CHANGE ENGINE OIL’ message comes back on when the vehicle is started, the engine oil life system has not reset. Repeat the procedure.

May 08, 2009 | 2004 Buick Rendezvous

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