At times, the position of the vehicle on the map could be inaccurate due to one or more of the following reasons: • The road system has changed.
• The vehicle is driving on slippery road surfaces such as sand, gravel, or snow.
• The vehicle is traveling on winding roads or long straight roads.
• The vehicle is approaching a tall building or a large vehicle.
• The surface streets run parallel to a freeway.
• The vehicle has been transferred by a vehicle carrier or a ferry.
• The current position calibration is set incorrectly.
• The vehicle is traveling at high speed.
• The vehicle changes directions more than once, or the vehicle is turning on a turn table in a parking lot.
• The vehicle is entering and/or exiting a parking lot, garage, or a lot with a roof.
• The GPS signal is not received.
• A roof carrier is installed on the vehicle.
• Tire chains have been installed.
• The tires are replaced or worn.
• The tire pressure for the tires is incorrect.
• This is the first navigation use after the map data is updated.
• The 12-volt battery is disconnected for several days.
• The vehicle is driving in heavy traffic where driving is at low speeds, and the vehicle is stopped and started repeatedly.
Global Positioning System (GPS)
Problems with Route GuidanceBuying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment
tires installed were designed to meet General Motors Tire Performance Criteria Specification
(TPC Spec) system rating. When replacement tires are needed, GM strongly recommends
buying tires with the same TPC Sp ...
Air Conditioning Evaporator Hose Assembly Replacement
Preliminary Procedures
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
Remove the headlamp - right side. Refer to Headlamp Replacement.
Loosen power steering fluid reservoir screw.
Remove brake pipes from the dash lower extension panel.
Remove engine mount. Ref ...
Prevailing Torque Fasteners
Prevailing torque fasteners create a thread interface between the fastener
and the fastener counterpart in order to prevent the fastener
from loosening.
All Metal Prevailing Torque Fasteners
These fasteners accomplish the thread interface by a designed distortion or
deformation in the fastene ...