Upshifting
In manual drive program M, the automatic
transmission does not shift up
automatically even when the engine
limiting speed for the current gear is
reached. When the engine limiting speed is
reached, the fuel supply is cut to prevent
the engine from overrevving. Always make
sure that the engine speed does not reach
the red area of the tachometer. There is
otherwise a risk of engine damage.
Pull the right-hand steering wheel paddle
shifter.
The automatic transmission shifts up to the next gear.
Before the engine speed reaches the red area, an upshift indicator appears in the multifunction display.

1 Gear indicator
2 Upshift indicator
See also:
Convenience opening feature
You can ventilate the vehicle before you start
driving. To do this, the key is used to carry out
the following functions simultaneously:
• unlock the vehicle
• open the side windows
• open the hi ...
SmartKey
SmartKey
0 To remove the SmartKey
Vehicles with automatic transmission: shift the transmission to position P
1 Power supply for some consumers, such as the windshield wipers
2 Ignition (power su ...
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 ...
