Question about Cars & Trucks
2004 Buick Rendezvous Heads up display seems to have stopped working however if a dark cloth is placed over the outside of the windshield you can see the display is working but too dim to see in even the most dim light conditions. If the battery is disconnected and reconnected the display will come back to full brightness for approximately 2-3 days and then return to the very dim mode. When the outside temperature drops to below zero the display will brighten until the cabin temperature is warm above 25-35 degrees. Occasionally when traveling on the highway the display will return to full light and will stay at full brightness for 5-10 miles. When at full brightness the display control can be adjusted from full to low brightness.
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Posted on Jan 02, 2017
Our 2002 did the same thing. Easy cheap fix! Pull the wheel off and check the wiring that goes to the wheel sensor. You will find after removing a few inches of wrap, a broken wire or two. This could be on either wheel, so check both. Fix the wires back up and you are good to go. Hope this helps!
Posted on Aug 01, 2008
No, there is not a fuse for this. Unfortunately, you have a bad sending unit. In order to replace the sending unit you have to drop the gas tank. Sooo............drive it more to get rid of all of that gas and it will be easier to put back up.
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Posted on Feb 14, 2009
I cannot find the 2004, but you can buy it from the dealer. You can download the 2003 and 2005 from this link. http://www.extendedgmwarranty.com/owners-manual/buick_owner_manuals.html
Posted on May 22, 2009
The brake light switch is located under the dash - if you'll look at the brake pedal and follow it up until you see a plastic cylinder with an electrical connection - that should be the brake light switch - they are often difficult to remove (they are in a bad place and hard to get to - sometimes they are threaded as well - sometimes use a clip to hold them in) They have a push-button that contacts the pedal arm - When the brakes are off, the switch is "electrically open" and has no internal connection (no brake lights) when you push the brakes Switch is now "electrically closed", the switch button releases and the switch makes a connection internally to activate the lights - yours has either lost it's mounting and no longer contacts the pedal arm, keeping brake lights on - or has an internal short - keeping them on even when the switch is activated .....This often means that your brake lights do not work correctly (or rather stay lit at all times while you are driving) thus, a definite safety hazard - remove the wiring pigtail, remove and replace the switch and plug the wiring back in - have someone check that they are now working correctly - or use a mirror - (sometimes, on some vehicles there is a rubber plug that fits into the brake lever where it contacts the switch - this plug can fall out or break apart and cause the same problem, so when you get up under the dash to look for it, ensure the parts are there, and I usually activate the pedal with my hand and visually check the mechanicals to ensure proper operation and part presence....) The switch can also be mounted directly to the arm and moves with the pedal - or mounted on the car and is depressed by the pedal - I've seen it done several different ways so use your common sense and you'll be just fine...
Posted on Aug 22, 2009
Open the sunroof fully and see if the drain tubes are blocked. On most cars they are located in the corners. If they are clear it could be one of the tubes has become detatched and you will have to drop the head lining to re-attach the loose one. If there is a stain directly behind or at the front corner it will more than likely be the tube has somehow become loose which I have seen happen.
Posted on Apr 28, 2011
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