welcome aboard KTA/HHI!!

B)
i would treat the leatherette the same way as i would treat the leather. if you keep it clean and conditioned, your leatherette will last you a long time. i like to use Lexol cleaner and conditioner. also, Meguier's make good products as well.
i'm moving this into the Wash & Detail section. you will have more views and possibly more responses there.