Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and medical conditions.
Push 
for help with:
• Locating a gas station with an attendant to pump gas.
• Finding a hotel, restaurant, etc., that meets accessibility needs.
• Providing directions to the closest hospital or pharmacy in urgent situations.
See also:
Shifting out of Park
The vehicle is equipped with an electronic shift lock release system.
The shift lock release is designed to:
• Prevent ignition key removal unless the shift lever is in P (Park) with the shift lev ...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and
GPS signal reception. Cellular reception is required for OnStar to send remote signals
to the vehicle. ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARK ASSIST: If this message occurs, take the vehicle to your dealer to repair the system.
PARK ASST BLOCKED SEE OWNERS MANUAL: This messa ...