Renault Megane Alternator Problems

Hello few times in last 2 weeks I in 3 day period) while parking or starting a car steering wheel becones stiff and hard, displaying massage Steering fault ang Stop alarm with a sound. after than when stopping a angine and restarting i...

Have had car in garage 3 times with this problem, they fixed fan belt,metal and plastic pulleys changed (tension kit) i think its called. Lights back on again!! Plz some one help meee!!!

Check battery light keeps coming on, engine doesn't know what gear to go in then looses power.

battery charged but car won,t start all electrics work now a immobiliser light comes on