2010 Citroen C1 Problems

Ieft hand warning light is working intermitly

Car will start first turn of the key but immediately cuts out. No fault codes are showing. All fuses ok and can hear fuel pump

Indicator always works but the right-hand indicator cluster warning light works intermittently

my wife has a 60 plate C1 that does on average 2000 miles a year the power steering light has just come on, can the power steering be topped up and would this take the dash light off or do we need it looked at

If you use a key that does not switch off the immobiliser can it damage the car?

This is my grand daughters car. Whilst travelling down the motorway to work this morning, the engine cut out. She was travelling between 60-70 mph. She says all the electrics went off apart from the Hazard lights. When she tried to start it...