Operation CHARM: Car repair manuals for everyone.

Vehicle Preparation

Vehicle Check/Preparation

Vehicle Preparation
- Perform ALL safety steps required to start and run vehicle tests. Apply parking brake, place shift lever firmly into PARK position (NEUTRAL on manual transmission) and block drive wheels.
- Turn off all electrical loads: radios, lamps, A/C, blower and fans.
- Start engine and bring up to normal operating temperature before running quick test.