See also:

SERVICE KEYLESS START SYSTEM
If the vehicle has the keyless access system, this message displays when there is a problem with this feature. See your dealer. ...

Under the Hood
Cadillac's 4.6-liter Northstar V-8 comes in a choice of two configurations in the DTS. The L37 edition produces an estimated 291 horsepower at 5,600 rpm, while the LD8 is rated at 275 hp at 5,200 ...

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...