See also:

On-board diagnostics interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while drivin ...

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research ...

Driving, Part Two
The CL's standard Airmatic suspension is hard to fault. It can operate in either its default Comfort setting or a firmer Sport setting. Without going into technical details, I'll say that it absor ...