Release the parking brake.
Start the engine.
Shift to D, then to N.
Turn off the engine.
Leave the ignition switch in ACCESSORY (I) so the steering wheel does not lock.
Make sure the all accessories are turned off to minimize battery current draw.
It is best to tow the vehicle no farther than 50 miles (80 km), and keep the vehicle speed below 35 mph (55 km/h).

|
Maintenance Items Under the Hood
...
Engine Compression Inspection
NOTE: After the inspection, you must reset the ECM/PCM. Otherwise, the
ECM/PCM will continue to stop the injectors from operating.
Allow the engine to reach operating temperature (fan comes o ...
Accessories and Modifications
WARNING
Improper accessories or modifications can
affect your vehicle’s handling, stability, and
performance, and cause a crash in which
you can be seriously hurt or killed.
Follow all instru ...