See also:

Coolant Checks
Check engine coolant (antifreeze) protection every 12 months (before the onset of freezing weather, where applicable). If the engine coolant (antifreeze) is dirty or rusty in appearance, the sys ...

Ride & Handling
Ride quality — an aspect where the last 300 excelled — remains good in either trim level. The suspension soaks up bumps well, isolating the cabin most of the time. Alas, it's no match for the ...

Onboard Diagnostic System — OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...