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:
Using Voice Commands During a Planned Route
Cancel Route
1. Push X. System responds: “OnStar ready,” then a tone. Say “Cancel route.”
System responds: “Would you like to cancel route directions to your destination?”
2. Say “Ye ...
Delayed Headlamps
Delayed headlamps provide a period of exterior lighting as you leave the area around the vehicle.
This feature is activated when the headlamps are on due to the automatic headlamps control feature, a ...
Cargo & Towing
The Yukon Denali is a spacious three-row SUV for people, but that's it. If
there are six people and no cargo, the Yukon is a terrific place to be. If you
have a lot of cargo — you know, like lug ...