it means you need to check the pressure on your types. when correct the lights will go out.
its the tyre pressure sensor
After a repair has been made on a Renault Laguna the service light will need to be reset. To do this plug the diagnostic tool into the computer and reset the light.
changeing side light bulb
Check your tyre pressure is correct then drive for about a few minutes after that the red stop light and sensor should go out.
How to remove drivers' side light cover
Behind front off side light in engine bay, in Laguna 11 Hatchback 1.8ltr
Try asking at www.renaultforums.co.uk :-)
disconnect the tyre pressure receiver located mid way under the car on the left hand side
Alternator bad or wiring fault to alternator.
under the engine beside the paseneger wheel, blue connector
Bring to a shop that has an ABS scanner to determine the problem
Your alternator is defective and not recharging the battery. Have the alternator checked.