Will ABS and 4WD warning lights cause my car to fail the MoT?

On my Mitsubishi Shogun (2005 model) the 4WD light is flashing when in 2WD mode and the ABS light comes up randomly. But there seem to be no negative effects when I drive. Would these be an MoT failure?

Can I service my new car at an independent garage without voiding the warranty?

Is it true that to ensure the validity of a vehicle's three-year warranty, you have to have it serviced by the supplying main dealer? I've just bought a 12 month old Jaguar F-Pace with two years warranty...

Can dealers get away with quoting 90 days major mechanical warranty only?

Can dealers get away with quoting 90 days major mechanical warranty only?

If I service my new car at an independent garage - will I void the manufacturer's warranty?

My first service is due September 2019. I have previously used a local BMW Specialist. If I do so with my new vehicle, how do I stand legally with the three-year warranty?