Contents

Toyota 2003 Highlander Owner's Manual (OM48441U)
- Foreword
  - Important information about this manual
  - Important information about your Toyota
- 1. OPERATION OF INSTRUMENTS ANDCONTROLS
  - 1-1 Overview of instruments and controls
  - 1-2 Keys and Doors
  - 1-3 Seats, Seat belts, Steering wheel and Mirrors
  - 1-4 Lights, Wipers and Defogger
  - 1-5 Gauges, Meters and Service reminder indicators
  - 1-6 Ignition switch, Transmission and Parking brake
  - 1-7 Car audio system
  - 1-8 Air conditioning system
  - 1-9 Other equipment
- 2. INFORMATION BEFORE DRIVING YOURTOYOTA
- 3. STARTING AND DRIVING
- 4. IN CASE OF AN EMERGENCY
- 5. CORROSION PREVENTION ANDAPPEARANCE CARE
- 6. VEHICLE MAINTENANCE AND CARE
- 7. DOITYOURSELF MAINTENANCE
  - 7-1 Introduction
  - 7-2 Engine and Chassis
  - 7-3 Electrical components
- 8. SPECIFICATIONS
- 9. REPORTING SAFETY DEFECTS FOR U.S.OWNERS AND UNIFORM TIRE QUALITYGRADING
- Gas station information

Toyota Highlander 2003 Owner's Manual

Pages 303

Year 2003

Language(s)

of 303

Toyota Highlander 2003 SUV Specification

The 2003 Toyota Highlander is a mid-size SUV designed to offer a smooth blend of performance, comfort, and reliability. It features a sturdy unibody construction, providing a car-like ride quality while maintaining the versatility of an SUV. Under the hood, the base model is equipped with a 2.4-liter four-cylinder engine that produces 155 horsepower, paired with a four-speed automatic transmission. For those seeking more power, there is an available 3.0-liter V6 engine that delivers 220 horsepower, mated to a five-speed automatic transmission.

The exterior dimensions of the 2003 Highlander include a length of 184.4 inches, a width of 71.9 inches, and a height of 67.9 inches, offering a balanced stance and easy maneuverability. The interior is designed to accommodate up to five passengers comfortably, with ample legroom and headroom. The cargo capacity stands at 80.6 cubic feet with the rear seats folded down, providing substantial space for luggage and gear.

Safety features are comprehensive, including anti-lock brakes (ABS), vehicle stability control (VSC), and front and side-impact airbags, ensuring a secure driving experience. The suspension system employs MacPherson struts both in the front and rear, contributing to a smooth and stable ride. The Highlander also comes with front-wheel drive as standard, with an option for full-time all-wheel drive, enhancing its capability in various driving conditions.

The 2003 Toyota Highlander is equipped with modern amenities such as air conditioning, power windows and locks, cruise control, and an AM/FM stereo with a CD player. Higher trims offer additional features like leather upholstery, a power moonroof, and an upgraded audio system. Overall, the 2003 Highlander combines practicality, performance, and comfort, making it a reliable choice for families and individuals alike.

Toyota Highlander 2003 SUV F.A.Q.

How do I reset the maintenance light on a 2003 Toyota Highlander?

To reset the maintenance light, turn the ignition switch to the "ON" position. Set the odometer to display the total mileage. Turn the ignition off, then hold down the trip meter reset button while turning the ignition back to "ON." Hold the button until the maintenance light turns off.

What type of oil should be used in a 2003 Toyota Highlander?

The 2003 Toyota Highlander typically requires 5W-30 motor oil. It is recommended to use synthetic oil for better performance and longevity. Always refer to the owner's manual for the most accurate information.

How can I improve the fuel efficiency of my 2003 Toyota Highlander?

To improve fuel efficiency, ensure regular maintenance such as air filter replacement and tire pressure checks. Avoid excessive idling and aggressive driving, and remove unnecessary weight from the vehicle.

What is the towing capacity of a 2003 Toyota Highlander?

The 2003 Toyota Highlander has a towing capacity of up to 3,500 pounds when properly equipped with a towing package. Always consult the manual and ensure your vehicle is properly equipped before towing.

How do I replace the cabin air filter in a 2003 Toyota Highlander?

To replace the cabin air filter, open the glove box and remove the supporting arm. Squeeze the sides of the glove box to drop it down fully. Locate the filter cover, unclip it, and replace the old filter with a new one. Reassemble in reverse order.

What are common issues with the 2003 Toyota Highlander's transmission?

Common transmission issues include rough shifting and delayed engagement. Regular maintenance and fluid checks can mitigate these problems. If issues persist, consult a professional mechanic for a thorough inspection.

How do I jump-start a 2003 Toyota Highlander?

To jump-start, connect one end of the red jumper cable to the positive terminal of the dead battery and the other end to the positive terminal of the donor battery. Connect the black cable to the negative terminal of the donor battery and the other end to an unpainted metal surface on the dead car. Start the donor vehicle, then the Highlander. Remove cables in reverse order.

What is the recommended tire pressure for a 2003 Toyota Highlander?

The recommended tire pressure for the 2003 Toyota Highlander is typically 30-32 PSI for both front and rear tires. Check the tire placard on the driver's side door jamb for exact specifications.

How do I change the spark plugs on a 2003 Toyota Highlander?

To change the spark plugs, remove the engine cover and disconnect the ignition coils by unplugging the electrical connectors. Use a spark plug socket to remove the old plugs. Install new plugs and reassemble in reverse order. Ensure to torque the plugs to the manufacturer's specifications.

What should I do if the check engine light comes on in my 2003 Toyota Highlander?

If the check engine light comes on, check for loose fuel caps as a first step. If the light persists, use an OBD-II scanner to read the error codes. Address any issues indicated by the codes, and if needed, consult a professional mechanic for further diagnostics.