See also:

Weight of the vehicle
This section will guide you in the proper loading of your vehicle and/or trailer, to keep your loaded vehicle weight within its design rating capability, with or without a trailer. Properly loadi ...

Brake system
Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some oth ...

Interior Refinement
The style makeover continues into the Optima's cabin with expanded electronics melded with refreshed fascia patterns and color schemes. Based on a new platform, the standard audio system features ...