Hi guys, after a couple of little recent untimely, parking sensor type beeps, I have travelled 30 miles today, with the worst possible, continuous, high pitched noise, for approx. the time the brake pedal has been depressed. Don't want to get back in it!! Any ideas.....please help.

hi guys, hoping you can help me with this one, I have a 2012 Astra j 2.0 cdti sri, I had a major service done on it last week, a week later on my way to work my power steering failed and it's telling me it needs a service, I was lucky I was on the straight part of the country road I was going down! Anyway once I got to work I turned car off for five minutes and it started working again, few days later and it stopped again as I was going down a38, any ideas what may be the cause? Anyone had this