Alternator bad or wiring fault to alternator.
battery is loosing power, probably there is power thief
Your alternator is defective and not recharging the battery. Have the alternator checked.
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.
you need a new alternator/belt
its the tyre pressure sensor
changeing side light bulb
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 :-)
under the engine beside the paseneger wheel, blue connector
Bring to a shop that has an ABS scanner to determine the problem
it means you need to check the pressure on your types. when correct the lights will go out.