SIR Disabling and Enabling
Power SteeringRear Spring Insulator Replacement
Removal Procedure
Raise and suitably support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Support the rear axle with a tall jack stand near the shock absorber.
Remove the lower shock bolt. Refer to Shock Absorber Replacement.
Using the tall jack stands, slowly lower the rear a ...
Shock Absorber Disposal
Warning: Use the proper eye protection when drilling to prevent
metal chips from causing physical injury.
Clamp the strut in a vise horizontally with the rod ( 1) completely
extended.
Drill a hole in the strut at the center of the end cap (3) using a 5 mm
(3/16 in) drill bit. Gas o ...
Map Data Updates
The map data in the vehicle is the most up-to-date information available when
the vehicle was produced. The map data is updated periodically, provided that the
map information has changed.
For questions about the operation of the navigation system or the update process,
contact the GM Nav Dis ...