Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
• The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
• The ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
See also:
Power Reclining Seatbacks
To adjust a power seatback, if available:
○ Tilt the top of the control rearward to recline.
○ Tilt the top of the control forward to raise. ...
Shifting Into Park
WARNING
It can be dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) with the parking brake firmly set. The vehicle can roll. If you have
left the engine running, the ...
What Makes a Denali
The changes from a regular Acadia to a Denali are obvious from the outside,
and they make the Acadia Denali look more put together, as if it were sculpted
from one piece of metal rather than glued ...





