See also:

Storing and maintaining the current speed
You can store the current speed if you are driving faster than 20 mph (30 km/h). •► Accelerate the vehicle to the desired speed. •► Briefly press the cruise control lever up 1 or d ...

Using KEYLESS-GO to start the engine
WARNING As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore, never leave children unattended in the vehicle, as they could otherwise accidentally start the engin ...

Cabin Quality
If the cockpit in a Cadillac Escalade or Infiniti QX56 feels like a roomy lounge, the GL550's cabin is eminently more carlike. Don't expect massive armrests and a tall dashboard — rather, the wrap ...