by using obd2 scanner from your local garage
Reset the exhaust emission warning light by turning the ignition on and off 40 times. Light codes can be read by the old brake/accelerator press and turn the ignition on.
If its vectra b to reset ECU you have to turn key so all display leds light up then off and do it 8 times if i remember rightly, this resets ECU to factory settings.
disconnect battery for 15 mins...if it come back on there is a reason for the light being on...if so google vectra management light paperclip...hope this helps
Disconnect Battery for an hour, reconnect... Done
Try to disconnect the battery for a few minutes.
disconnect battery
whats mean dtc P1700 on zafira Z18XE.thanks
To reset the emission malfunction light on a Suzuki Alto, you can try disconnecting the car battery for about 10-15 minutes. This may reset the engine control unit (ECU) and turn off the warning light. Alternatively, using an OBD-II scanner to clear the error codes can also reset the light. However, ensure that any underlying issues causing the light to activate are addressed before resetting.
To reset the oil change light on a 2004 Opel Vectra Design 2.0L diesel, turn the ignition to the "ON" position without starting the engine. Press the accelerator pedal fully three times within five seconds. This should reset the oil change light. If the light does not turn off, repeat the process to ensure it was done correctly.
needs to be done with a diagnostics machine.
To reset a Vectra warning light, first ensure the underlying issue is resolved. Then, turn the ignition to the "On" position without starting the engine. Press the accelerator pedal three times within five seconds, then turn the ignition off. Restart the engine to check if the warning light has cleared. If the light remains, further diagnostics may be needed.
whats mean dtc P1700 on zafira Z18XE.thanks