My vw golf 1.6 year 2000. when i turn off the ignition all the lights on my dash start flashing and my speed clock gives a couple of flickers.also my petrol clock is reading as empty even when i have the tank half full.Can anyone advise as to the cause of this

TIGHTEN THE BATERRY CONNECTORS AND CHECK ALL GROUND WIRES AT THE ENGINE.LET ME KNOW IF U FOUND SOMETHING.

The "INSP" message becomes flashing on the dash after 15000 km or after 1 year, depending which one occuring first. Therefore it's very probable that one year had passed, or 15000 km. Service due!

Service reset



1. Turn the ignition OFF.
2. Press and hold the reset button [1] (see the above picture).
3. Turn the ignition ON.
4. "SERVICE" appears on the display.
5. Release the button [1].
6. Turn the button to the right.
7. The service indicator shows: "---".
8. Turn the ignition OFF.
9. The system is reset.

a car of that year should have an ecu controlling fuel air mix etc. this normally controls the timing.
To reset the ecu on my '95 VW Golf disconnect the battery (negative / black terminal) for 15-30 minutes depending on who you ask. So I do 30 minutes.
If it has central locking make sure you don't leave the keys in the car when reconnect it. swich on the ignition without starting the engine so the dash lights up with the oil light etc. for 30 seconds then off for 10 seconds. then start your car. It will relearn so it will run a bit rough for a while but should settle down. take it for a spin on different types of road ie. slow and fast.

Measure your oil at normal operating temp, without the engine running of course. This will give you a more accurate reading once the oil has circulated in the system.

The system works like this:

• With the ignition on, the oil pressure indicator light on the dash should come on and flash. Once the engine is started, the light should go out and stay out as long as the engine is running.
• If the oil pressure drops below approximately 0.3 bar or 5 psi when the engine is running below 2000 rpm, the light will flash.
• If the oil pressure drops below approximately 1.8 bar or 27 psi when the engine is running above 2000 rpm for more than 3 seconds, the indicator light will flash and the buzzer will sound.

If either this two warnings occur:

• The engine should be switched off immediately and the oil level should be checked.
  

If you mean the service light here is the procedure.
Button #1 mileage reset button
Button #2 Clock adjustment button

• Switch ignition off
• Press and hold button #1 at bottom left of speedometer
• Switch ignition on and release button
• The text "service Oil or service INSP" will appear in the display window. On 2000 m, y, cars the message "SERVICE NOW" will appear in the instrument cluster with center display
• Turn button # 2 at lower side of tachometer to the right
• The service display shown in the display window is now reset and "service _ _ _" will appear in the display window
• Switch ignition off, service display is now set until next scheduled service interval is reached.
  

check your handbook for all dash lights.some are important.....(you dont say what colour)red is danger/yellow is info...

Courtesy www.synthetic-direct.ca:

To reset the message displays, turn the ignition switch on. Press and hold the odometer reset button “A” located below the speedometer. Turn off the ignition while holding the button. “OEL” will display on the indicator. Press and hold the lower digital clock reset button or the analog clock reset button “B” until five dashes appear in the display.
If needed, next press the odometer reset button until IN 01 is displayed and then press the clock reset button until five dashes appear. If needed, next press the odometer reset button until IN 02 is displayed and then press the clock reset button until five dashes appear.
To exit reset mode, turn ignition switch on and when IN 01 appears, turn ignition off.

To reset the message displays, turn the ignition switch on. Press and hold the odometer reset button "A" located below the speedometer. Turn off the ignition while holding the button. "OEL" will display on the indicator. Press and hold the lower digital clock reset button "B" until five dashes appear in the display. If needed, press the odometer reset button until "IN 01" appears and then press the clock reset button until five dashes appear. If needed, press the odometer reset button until "IN 02" is displayed and then press the clock reset button until five dashes appear. To exit reset mode, turn the ignition switch on and when "IN 01" appears, turn the ignition switch off.



1. Switch ignition ON.
2. Press and hold odometer reset button below speedometer.
3. Switch ignition OFF and release odometer reset button. OEL will now
display.
4. Press and hold the lower digital clock set button or the analog clock set
button until five dashes (-----) appear in display.
5. If necessary, pree odometer reset button to proceed to the IN 01 display
(15,000 mile maintenence) and reset using the clock button.
6. If necessary, repeat procedure to reset IN 02 (30,000 mile maintenence)
display.
7. To end reset mode: switch ignition ON; when display IN 01 appears, switch ignition OFF.

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You need to call vw for the reset code for your radio if it is a factory radio.

turn ignition from off to red light on 3 times whilst continuosly pressing trip clock down until A line of dashes appears in trip clock reading