See also:

New Frontier PRO-4X Off-Road Model
Frontier's all-new PRO-4X trim offers drivers outstanding off-road flexibility, pairing Frontier's already impressive list of standard equipment features with the PRO-4X's off-road performance enh ...

Vacuum assisted brakes
The brake booster aids braking by using engine vacuum. If the engine stops, you can stop the vehicle by depressing the brake pedal. However, greater foot pressure on the brake pedal will be re ...

Engine block heater (if so equipped)
WARNING: - Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be seriously injured by an electrical shock if you use an ungrounded connec ...