Before driving

See also:

Parking brake
1. Sets the parking brake*. (Depressing the pedal again releases the parking brake.) *: Fully depress the parking brake pedal with your left foot while depressing the brake pedal with your rig ...

Tires
Replace or rotate tires in accordance with maintenance schedules and treadwear. Checking tires 1. New tread. 2. Treadwear indicator. 3. Worn tread. The location of treadwear indicators is sho ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indic ...