OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationWindshield Washer Nozzle Hose Replacement
Preliminary Procedure
Remove the hood insulator. Refer to
Hood Insulator Replacement.
Place a clean container under the front driver side near where the
windshield washer nozzle and windshield washer pump
hose will be disconnected.
Recover all lost windshield washer solven ...
Battery Negative Cable Disconnection and Reconnection
Removal Procedure
Turn on the radio and record all of the customer radio station presets.
Ensure that all lamps and accessories are turned off.
Turn the ignition OFF and remove the ignition key.
Warning: Refer to Battery Disconnect Warning in the Preface section.
Loosen the negati ...
Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment
Ensure that the steering wheel is set in a straight ahead position.
Loosen the tie rod jam nut (1).
Adjust the toe to specification by turning the adjuster (2). Refer to
Wheel Alignment Specifications.
Caution: Refer to Fastener Caution in the Preface section.
Tighten the tie ro ...