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Question posted by CaliRendezvous05 on March 18th, 2023

Not Cranking Or Starting

My 05 Rendezvous is not doing anything when i turn the key to start. My starter & battery are less than 6 months old. But let me back up about 5 days ago. All of a sudden while driving on fwy, my service traction system, security, and brake light all came on and chimed. Within 2 mins followed by all cluster gages going dead and low fuel came on. I was able to drive still until 3 days later my car won't start. Plz help!

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Request from CaliRendezvous05 on March 19th, 2023 3:08 AM
thanks for your answer. I can a simple diagnostic test with an obd meter and it stated my alternator was good. I checked all fuses and relays which all work. I was leaning towards the ignition switch. I also forgot to mention within the 3 days I was still able to drive, the cluster and lights would cycle between functioning then seconds to minutes later would fail. Also my auto headlights (when working) would either stay on even after cars been off or not work at all.

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Answer #1: Posted by educationtutor on March 19th, 2023 12:44 AM

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It sounds like there may be several issues going on with your 2005 Buick Rendezvous. Based on your description, here are a few possible causes for the issues you are experiencing:

Faulty alternator: When the alternator is not functioning properly, it can cause the battery to drain, which can result in the car not starting. Additionally, if the alternator is not charging the battery, it can cause various warning lights to appear on the dashboard.
Bad ignition switch: The ignition switch is responsible for turning on the electrical system of the car when the key is turned. If the switch is faulty, it can cause the car not to start.
Faulty BCM (Body Control Module): The BCM controls various electrical systems in the car, including the security system and traction control. If the BCM is not functioning properly, it can cause warning lights to appear on the dashboard and cause the car not to start.

Based on your description, it seems like the issue may be related to the alternator, since you mentioned that the battery and starter are both relatively new. However, it is also possible that there are other issues at play. The best course of action would be to have a professional mechanic diagnose the issue so that it can be properly repaired.

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Owner's Manual - Page 1

... Panel ...3-1 Instrument Panel Overview ...3-4 Climate Controls ...3-28 Warning Lights, Gages, and Indicators ...3-37 Message Center ...3-51 M Driver Information Center (DIC) ...3-62 Audio System(s) ...3-75 Driving Your Vehicle ...4-1 Your Driving, the Road, and Your Vehicle ...4-2 Towing ...4-36 Service and Appearance Care ...5-1 Service ...5-3 Fuel ...5-5 Checking Things Under the Hood ...5-10...

Owner's Manual - Page 71

... or around the restraint. The child restraint instructions will show you turn the ignition to ON or START. If your child restraint has one. Secure the child in a rear seat, even if the airbag is ... in the passenger airbag status indicator should light and stay lit when you how. 4. When the passenger sensing system has turned off the right front passenger's frontal airbag, the off .

Owner's Manual - Page 72

...and stay lit in the inside rearview mirror when the key is lit, turn the vehicle off indicator will move freely again and be able to ON or START. 7. If this happens, slightly recline the vehicle's seatback...the retractor once the lock has been set. 6. Also make sure that the vehicle's seatback is secure. 1-66 If the on indicator is still lit, check to tighten the lap portion of the ...

Owner's Manual - Page 83

... the word OFF, or the symbol for on or the symbol for on your dealer for service. The words ON and OFF or the symbol for off , will be visible when you damage the...Improper service can mean that an airbag system will be visible. Notice: If you turn your ignition key to replace the airbag module in the rearview mirror will not work properly. You may have to ON or START. Passenger...

Owner's Manual - Page 88

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Owner's Manual - Page 106

...64257;ve seconds after the security light begins to let you know the system is armed. See "Liftgate Release" under Liftgate on page 2-11 for 30 seconds and then start ﬂashing when the ...without using the optional remote keyless entry transmitter or the key, or tries to turn the ignition on top of the instrument panel, will start ﬂashing to ﬂash, any time the alarm...

Owner's Manual - Page 108

... value of electrical key codes. If the SECURITY message is possible for programming additional keys only. Up to start with the second current driver's key. Turn the ignition off and try another ignition key. See Fuses and Circuit Breakers on page 3-57. If your vehicle needs service. To program additional keys you insert or remove the key from the ignition...

Owner's Manual - Page 109

...drive at this time your new brake linings are ever driving and the SECURITY message comes on and stays on due to be programmed. After the engine has started, turn it to ON within 10 seconds of removing the previous key. 5. Insert the key to how quickly the key...programmed. 6. Hard stops with new linings can service PASS-Key® III to have all-wheel drive, keep your speed at 55 mph (88...

Owner's Manual - Page 140

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Owner's Manual - Page 149

... at a steady speed. If your cruise control on winding roads or in cruise control when the traction control system begins to safely use it again, you cannot drive safely at the end of a set speed or to turn the cruise control system on. SET: Press this position to resume a set speed. 3-11 Cruise...

Owner's Manual - Page 185

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Owner's Manual - Page 189

... When this message reminds the passenger to traction control, the traction control system will turn off and the warning message will come on . If there's an engine-related and brake system problem that is displayed when you important safety and maintenance facts. It gives you 're driving, there may need service. United States Canada If your...

Owner's Manual - Page 197

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Owner's Manual - Page 202

..., press MODE. The fuel economy used to ON or START, the DIC will display the following: BUICK: BUICK will... Displays When the ignition is turned to calculate the range is based on your driving history since the last reset... of the average speed. 3-64 The DIC will cycle through the options on the DIC. If the temperature is viewed as acceleration, braking...

Owner's Manual - Page 281

... the road (wet, dry, icy); And, of heavy braking. Avoid needless heavy braking. Your brakes will still have some power brake assist. That means better braking and longer brake life. This is pavement or gravel); the condition of your engine stops, you start your engine, or when you are driving, brake normally but do not pump your anti-lock...

Owner's Manual - Page 284

... that one or both of the front wheels are driving, there's a problem with your traction control system. You may reengage the cruise control. But you can turn the system off if you should turn the traction control system off if your vehicle is on, the TRAC OFF light will automatically disengage. United States Canada If this...

Owner's Manual - Page 316

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Owner's Manual - Page 443

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Owner's Manual - Page 474

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Owner's Manual - Page 479

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