BALANCE OF WARRANTY This class leading warranty gives you peace of mind and is fully transferable to subsequent owners. The transferability of the warranty will give the next owner the same peace of mind as if they were buying the car new, thereby maintaining the resale value of your PROTON.All our Protons are set up to properly service your vehicle at the correct intervals. When purchasing a Proton, you have the option to purchase a service plan you can choose various kilometers and periods that suit your specific servicing needs. A service plan ensures that your car is kept in peak mechanical condition.