C5 Secrets & Tricks
The little yellow "helper light" on the bottom of the rear-view mirror that illuminates the shifter area.
That you can put your key in the driver's door and turn it twice towards the front to unlock the passenger door and a third time to pop the trunk.
That you can pop the trunk and also pop the gas cap cover by pulling on metal lines hidden in the back.
The little slotted cover on the dash behind the steering wheel is where the inside air temperature sensor is located.
All of the option codes are in the glove box.
Tire inflation recommended pressures are on the driver's door.
The thing that looks like a little LED near the DIC buttons is a light sensor.
The thing that looks like a little LED near the defroster vent is a UV sensor for determining A/C usage to compensate for the heating effect of the sun.
If you leave your turn signal on, in about 1 minute it will start to ding loud enough to hear over the stereo.
You can reset the oil life by pumping the gas pedal 3 times (but not with the engine running).
Hold down the reset button while on one of the trip odometers and it changes that reading to the miles you've traveled since last starting the engine.
Hold down the Active Handling button for 5 sec. to engage "Competitive Driving" on cars equipped with active handling (2000 and previous years must be stopped.).
If you pull the seatbelts all the way out while you're buckled in, they ratchet back in to hold you tighter into the seat.
The side-view mirrors can twist both forward and backward, decreasing the chance of damage if struck.
There is a release opening with a flap to let air out of the car when the hatch is closed. It is located just above the driver side rear compartment, behind the carpet and on the side of the car. Not that it really works well.
You can ground your amp to a screw/bolt that holds the rear middle compartment to the frame.
If you have a 6-speed car you can pop the trunk when the car is running by lifting the e-brake.
There is a spot on the driver side rear compartment under the carpet for the lug nut key.
If you turn on the headlights, then go to parking light position, the lamps remain up but the headlights are not left on.
If you have the passive entry feature: If you lock your keys in the car, wait a few minutes and then shake the car. That will unlock the car.
HUD has a shift light for manuals. -You can easily shift the M6 trans up or down without the clutch if you match revs. (Not great for longevity, however.)
You can eject the cd from the in-dash player without turning on any power. Don't even need key in the ignition.
The cruise will disengage if you purposely make sharp side to side turns while cruising at say 60-80 mph.
When the engine is shut off, you can get the odometer reading by turning on the parking lights.
You can program setting #3 (both memory buttons at once) in the seat memory to run the seat back and steering wheel forward for getting in/out of the car with the engine running.
HUD has a shift light for A4's too... it comes on during a WOT run just before it shifts!
If you manually select 2nd gear from a stop, the transmission will actually start in that gear. It will hold it until you shift higher. Good for stop-n-go traffic and slippery winter roads
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