Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 222 (KEYLESS/POWER DOOR LOCKS/SECURITY SYSTEM)TRANSMITTER TESTWITHOUT HDS
2008 Chevrolet HHR LT, 2.4 P, Automatic
Without HDS
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Without HDS
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine.
- If the engine does not start, go to the immobilizer system troubleshooting (see ENGINE DOES NOT START WITH THE IMMOBILIZER KEY ).
- If the engine starts, go to step 2.
- Press the transmitter lock or unlock button at least 10 times to reset the transmitter.
- If the locks work, the transmitter is OK.
- If the locks don't work, go to step 3.
- Open the transmitter, and check for water damage.
- If you find any water damage, replace the transmitter and register the new transmitter.
- If there is no water damage, go to step 4.
- Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button at least 10 times.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, go to step 5.
- Reprogram and register the transmitter (see
IMMOBILIZER KEY REGISTRATION
), then try to lock and unlock the doors.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, substitute a known-good transmitter, and recheck. If the doors still do not lock and unlock, replace the immobilizer-keyless control unit.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.